diff --git a/eco-api/src/main/java/com/willfp/eco/core/items/builder/EnchantedBookBuilder.java b/eco-api/src/main/java/com/willfp/eco/core/items/builder/EnchantedBookBuilder.java
index 349b1669..f3389e06 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/items/builder/EnchantedBookBuilder.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/items/builder/EnchantedBookBuilder.java
@@ -5,6 +5,8 @@ import org.bukkit.enchantments.Enchantment;
 import org.bukkit.inventory.meta.EnchantmentStorageMeta;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.function.Supplier;
+
 public class EnchantedBookBuilder extends AbstractItemStackBuilder<EnchantmentStorageMeta, EnchantedBookBuilder> {
     /**
      * Create a new EnchantedBookBuilder.
@@ -25,4 +27,15 @@ public class EnchantedBookBuilder extends AbstractItemStackBuilder<EnchantmentSt
         this.getMeta().addStoredEnchant(enchantment, level, true);
         return this;
     }
+    /**
+     * Add an enchantment to the item.
+     *
+     * @param enchantment The enchantment.
+     * @param level       The level.
+     * @return The builder.
+     */
+    public EnchantedBookBuilder addStoredEnchantment(@NotNull final Supplier<Enchantment> enchantment,
+                                                     final Supplier<Integer> level) {
+        return this.addStoredEnchantment(enchantment.get(), level.get());
+    }
 }
diff --git a/eco-api/src/main/java/com/willfp/eco/core/items/builder/LeatherArmorBuilder.java b/eco-api/src/main/java/com/willfp/eco/core/items/builder/LeatherArmorBuilder.java
index b791bf1d..742fabb0 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/items/builder/LeatherArmorBuilder.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/items/builder/LeatherArmorBuilder.java
@@ -6,6 +6,8 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.LeatherArmorMeta;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.function.Supplier;
+
 public class LeatherArmorBuilder extends AbstractItemStackBuilder<LeatherArmorMeta, LeatherArmorBuilder> {
     /**
      * Create a new ItemStackBuilder.
@@ -37,4 +39,13 @@ public class LeatherArmorBuilder extends AbstractItemStackBuilder<LeatherArmorMe
 
         return this;
     }
+    /**
+     * Set leather color.
+     *
+     * @param color The color.
+     * @return The builder.
+     */
+    public LeatherArmorBuilder setColor(@NotNull final Supplier<java.awt.Color> color) {
+        return this.setColor(color.get());
+    }
 }
diff --git a/eco-api/src/main/java/com/willfp/eco/core/items/builder/SkullBuilder.java b/eco-api/src/main/java/com/willfp/eco/core/items/builder/SkullBuilder.java
index 78e1d769..d239a5a8 100644
--- a/eco-api/src/main/java/com/willfp/eco/core/items/builder/SkullBuilder.java
+++ b/eco-api/src/main/java/com/willfp/eco/core/items/builder/SkullBuilder.java
@@ -5,6 +5,8 @@ import org.bukkit.Material;
 import org.bukkit.inventory.meta.SkullMeta;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.function.Supplier;
+
 public class SkullBuilder extends AbstractItemStackBuilder<SkullMeta, SkullBuilder> {
     /**
      * Create a new EnchantedBookBuilder.
@@ -24,4 +26,14 @@ public class SkullBuilder extends AbstractItemStackBuilder<SkullMeta, SkullBuild
 
         return this;
     }
+
+    /**
+     * Set skull texture.
+     *
+     * @param texture The texture.
+     * @return The builder.
+     */
+    public SkullBuilder setSkullTexture(@NotNull final Supplier<String> texture) {
+        return this.setSkullTexture(texture.get());
+    }
 }