diff --git a/src/main/java/nl/iobyte/commandapi/CommandFactory.java b/src/main/java/nl/iobyte/commandapi/CommandFactory.java
index 7fc6715..5fde1fa 100644
--- a/src/main/java/nl/iobyte/commandapi/CommandFactory.java
+++ b/src/main/java/nl/iobyte/commandapi/CommandFactory.java
@@ -3,6 +3,7 @@ package nl.iobyte.commandapi;
 import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
 import nl.iobyte.commandapi.interfaces.ICommandMiddleware;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import nl.iobyte.commandapi.objects.CommandMap;
 import nl.iobyte.commandapi.objects.CommandSyntax;
 import nl.iobyte.commandapi.interfaces.SubCommand;
@@ -111,7 +112,7 @@ public class CommandFactory implements CommandExecutor {
         //Pre assign variables
         boolean b;
         String str = null;
-        Pair<Boolean, Integer> pair;
+        ArgumentCheck pair;
         List<ICommandArgument<?>> arguments;
         List<Object> parsedArguments;
         List<CommandSyntax> syntaxList = subCommand.getApplicableSyntaxList(sender);
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/BooleanArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/BooleanArgument.java
index 3dfad77..c886de4 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/BooleanArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/BooleanArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.List;
@@ -23,13 +23,13 @@ public class BooleanArgument implements ICommandArgument<Boolean> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         switch (args[0].toLowerCase()) {
             case "true":
             case "false":
-                return new Pair<>(true, 1);
+                return new ArgumentCheck(true, 1);
             default:
-                return new Pair<>(false, 0);
+                return new ArgumentCheck(false, 0);
         }
     }
 
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/EnumArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/EnumArgument.java
index 6d31a37..4aca067 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/EnumArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/EnumArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.Arrays;
@@ -30,8 +30,8 @@ public class EnumArgument implements ICommandArgument<Enum<?>> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
-        return new Pair<>(Arrays.stream(validArgumentHolders).map(Enum::toString).anyMatch(args[0]::equalsIgnoreCase), 1);
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+        return new ArgumentCheck(Arrays.stream(validArgumentHolders).map(Enum::toString).anyMatch(args[0]::equalsIgnoreCase), 1);
     }
 
     /**
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/MaterialArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/MaterialArgument.java
new file mode 100644
index 0000000..62b35cd
--- /dev/null
+++ b/src/main/java/nl/iobyte/commandapi/arguments/MaterialArgument.java
@@ -0,0 +1,55 @@
+package nl.iobyte.commandapi.arguments;
+
+import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
+import org.bukkit.Material;
+import org.bukkit.command.CommandSender;
+import java.util.Arrays;
+import java.util.List;
+
+public class MaterialArgument implements ICommandArgument<Enum<?>> {
+
+    private final Material[] validArgumentHolders;
+
+    public MaterialArgument(Material... validArgumentHolders) {
+        this.validArgumentHolders = validArgumentHolders;
+    }
+
+    /**
+     * Message to display when giving an error
+     * @return String
+     */
+    public String getMessage(String[] args) {
+        return "No material with name: "+args[0];
+    }
+
+    /**
+     * Check if argument is valid Material
+     * @param sender CommandSender
+     * @param args Arguments passed by Command
+     * @param previousArguments Previous arguments
+     * @return Boolean
+     */
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+        Material material = Material.getMaterial(args[0]);
+        if(material == null)
+            return new ArgumentCheck(false, 0);
+
+        if(validArgumentHolders == null || validArgumentHolders.length == 0)
+            return new ArgumentCheck(true, 1);
+
+        return new ArgumentCheck(Arrays.stream(validArgumentHolders).anyMatch(m -> m == material), 1);
+    }
+
+    /**
+     * Get Material passed by command
+     * @param sender CommandSender
+     * @param args Arguments passed by Command
+     * @param previousArguments Previous arguments
+     * @return Material
+     */
+    public Material getArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+        return Material.getMaterial(args[0]);
+    }
+
+}
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/MessageArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/MessageArgument.java
index 6ec73bd..bb9df1e 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/MessageArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/MessageArgument.java
@@ -1,8 +1,7 @@
 package nl.iobyte.commandapi.arguments;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
-import org.bukkit.ChatColor;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.command.CommandSender;
 import java.util.List;
 
@@ -23,15 +22,15 @@ public class MessageArgument implements ICommandArgument<String> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         if(!args[0].startsWith("\""))
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
 
         for(int i = 1; i < args.length; i++)
             if(args[i].endsWith("\""))
-                return new Pair<>(true, i + 1);
+                return new ArgumentCheck(true, i + 1);
 
-        return new Pair<>(true, args.length);
+        return new ArgumentCheck(true, args.length);
     }
 
     /**
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/PlayerArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/PlayerArgument.java
index 24d1bf8..0805896 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/PlayerArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/PlayerArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
@@ -25,8 +25,8 @@ public class PlayerArgument implements ICommandArgument<Player> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
-        return new Pair<>(Bukkit.getPlayer(args[0]) != null, 1);
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+        return new ArgumentCheck(Bukkit.getPlayer(args[0]) != null, 1);
     }
 
     /**
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/PlayersArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/PlayersArgument.java
index 57df97e..3e20dfc 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/PlayersArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/PlayersArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import nl.iobyte.commandapi.objects.SpigotPlayerSelector;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
@@ -25,9 +25,9 @@ public class PlayersArgument implements ICommandArgument<List<Player>> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         List<Player> players = new SpigotPlayerSelector(args[0]).getPlayers(sender);
-        return new Pair<>(players != null && !players.isEmpty(), 1);
+        return new ArgumentCheck(players != null && !players.isEmpty(), 1);
     }
 
     /**
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/StringArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/StringArgument.java
index b1eeb0a..8219472 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/StringArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/StringArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.Arrays;
@@ -30,11 +30,11 @@ public class StringArgument implements ICommandArgument<String> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         if(validArguments == null || validArguments.length == 0)
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
 
-        return new Pair<>(Arrays.stream(validArguments).anyMatch(args[0]::equalsIgnoreCase), 1);
+        return new ArgumentCheck(Arrays.stream(validArguments).anyMatch(args[0]::equalsIgnoreCase), 1);
     }
 
     /**
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/array/IntegerArrayArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/array/IntegerArrayArgument.java
index 7079098..3c1bed9 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/array/IntegerArrayArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/array/IntegerArrayArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments.array;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.List;
@@ -17,15 +17,15 @@ public class IntegerArrayArgument implements ICommandArgument<Integer[]> {
     }
 
     @Override
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         String[] items = args[0].replace("[", "").replace("]", "").split(",");
         try {
             for(String item : items)
                 Integer.parseInt(item);
 
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
         } catch (Exception e) {
-            return new Pair<>(false, 0);
+            return new ArgumentCheck(false, 0);
         }
     }
 
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/array/StringArrayArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/array/StringArrayArgument.java
index 042a61a..cb79b82 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/array/StringArrayArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/array/StringArrayArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments.array;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.List;
@@ -17,11 +17,11 @@ public class StringArrayArgument implements ICommandArgument<String[]> {
     }
 
     @Override
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         if(!args[0].startsWith("[\"") || !args[0].endsWith("\"]"))
-            return new Pair<>(false, 0);
+            return new ArgumentCheck(false, 0);
 
-        return new Pair<>(true, 1);
+        return new ArgumentCheck(true, 1);
     }
 
     @Override
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/number/DoubleArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/number/DoubleArgument.java
index cae705a..84ad511 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/number/DoubleArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/number/DoubleArgument.java
@@ -1,10 +1,9 @@
 package nl.iobyte.commandapi.arguments.number;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
-
 import java.util.List;
 
 public class DoubleArgument implements ICommandArgument<Double> {
@@ -24,12 +23,12 @@ public class DoubleArgument implements ICommandArgument<Double> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         try {
             Double.parseDouble(args[0]);
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
         } catch (Exception e) {
-            return new Pair<>(false, 0);
+            return new ArgumentCheck(false, 0);
         }
     }
 
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/number/FloatArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/number/FloatArgument.java
index 601a22b..7f3e600 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/number/FloatArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/number/FloatArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments.number;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.List;
@@ -23,12 +23,12 @@ public class FloatArgument implements ICommandArgument<Float> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         try {
             Float.parseFloat(args[0]);
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
         } catch (Exception e) {
-            return new Pair<>(false, 0);
+            return new ArgumentCheck(false, 0);
         }
     }
 
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/number/IntegerArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/number/IntegerArgument.java
index 181be6d..da6935d 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/number/IntegerArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/number/IntegerArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments.number;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.List;
@@ -23,12 +23,12 @@ public class IntegerArgument implements ICommandArgument<Integer> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         try {
             Integer.parseInt(args[0]);
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
         } catch (Exception e) {
-            return new Pair<>(false, 0);
+            return new ArgumentCheck(false, 0);
         }
     }
 
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/number/LongArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/number/LongArgument.java
index b252952..0f3e9f0 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/number/LongArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/number/LongArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments.number;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.List;
@@ -23,12 +23,12 @@ public class LongArgument implements ICommandArgument<Long> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         try {
             Long.parseLong(args[0]);
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
         } catch (Exception e) {
-            return new Pair<>(false, 0);
+            return new ArgumentCheck(false, 0);
         }
     }
 
diff --git a/src/main/java/nl/iobyte/commandapi/arguments/number/ShortArgument.java b/src/main/java/nl/iobyte/commandapi/arguments/number/ShortArgument.java
index 7323231..079f2d2 100644
--- a/src/main/java/nl/iobyte/commandapi/arguments/number/ShortArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/arguments/number/ShortArgument.java
@@ -1,7 +1,7 @@
 package nl.iobyte.commandapi.arguments.number;
 
-import javafx.util.Pair;
 import nl.iobyte.commandapi.interfaces.ICommandArgument;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import java.util.List;
@@ -23,12 +23,12 @@ public class ShortArgument implements ICommandArgument<Short> {
      * @param previousArguments Previous arguments
      * @return Boolean
      */
-    public Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
+    public ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments) {
         try {
             Short.parseShort(args[0]);
-            return new Pair<>(true, 1);
+            return new ArgumentCheck(true, 1);
         } catch (Exception e) {
-            return new Pair<>(false, 0);
+            return new ArgumentCheck(false, 0);
         }
     }
 
diff --git a/src/main/java/nl/iobyte/commandapi/interfaces/ICommandArgument.java b/src/main/java/nl/iobyte/commandapi/interfaces/ICommandArgument.java
index 5e2f11f..b0fd7e8 100644
--- a/src/main/java/nl/iobyte/commandapi/interfaces/ICommandArgument.java
+++ b/src/main/java/nl/iobyte/commandapi/interfaces/ICommandArgument.java
@@ -1,6 +1,6 @@
 package nl.iobyte.commandapi.interfaces;
 
-import javafx.util.Pair;
+import nl.iobyte.commandapi.objects.ArgumentCheck;
 import org.bukkit.command.CommandSender;
 import java.util.List;
 
@@ -17,9 +17,9 @@ public interface ICommandArgument<T> {
      * @param sender CommandSender
      * @param args Arguments passed by Command
      * @param previousArguments Previous arguments
-     * @return Pair<Boolean, Integer>
+     * @return ArgumentCheck
      */
-    Pair<Boolean, Integer> checkArgument(CommandSender sender, String[] args, List<Object> previousArguments);
+    ArgumentCheck checkArgument(CommandSender sender, String[] args, List<Object> previousArguments);
 
     /**
      * Get object of argument
diff --git a/src/main/java/nl/iobyte/commandapi/objects/ArgumentCheck.java b/src/main/java/nl/iobyte/commandapi/objects/ArgumentCheck.java
new file mode 100644
index 0000000..9f9e1fc
--- /dev/null
+++ b/src/main/java/nl/iobyte/commandapi/objects/ArgumentCheck.java
@@ -0,0 +1,21 @@
+package nl.iobyte.commandapi.objects;
+
+public class ArgumentCheck {
+
+    private final boolean key;
+    private final int value;
+
+    public ArgumentCheck(boolean key, int value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    public boolean getKey() {
+        return key;
+    }
+
+    public int getValue() {
+        return value;
+    }
+
+}