diff --git a/eco-api/src/main/java/com/willfp/eco/internal/items/AbstractItemStackBuilder.java b/eco-api/src/main/java/com/willfp/eco/internal/items/AbstractItemStackBuilder.java
index 83662126..d93ed1a4 100644
--- a/eco-api/src/main/java/com/willfp/eco/internal/items/AbstractItemStackBuilder.java
+++ b/eco-api/src/main/java/com/willfp/eco/internal/items/AbstractItemStackBuilder.java
@@ -5,10 +5,12 @@ import lombok.AccessLevel;
 import lombok.Getter;
 import org.apache.commons.lang.Validate;
 import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
+import org.bukkit.persistence.PersistentDataType;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
@@ -128,6 +130,24 @@ public abstract class AbstractItemStackBuilder<T extends ItemMeta> {
         return this;
     }
 
+    /**
+     * Write meta key.
+     *
+     * @param key   The key.
+     * @param type  The type.
+     * @param value The value.
+     * @param <A>   The type.
+     * @param <B>   The type.
+     * @return The builder.
+     */
+    public <A, B> AbstractItemStackBuilder<T> writeMetaKey(@NotNull final NamespacedKey key,
+                                                           @NotNull final PersistentDataType<A, B> type,
+                                                           @NotNull final B value) {
+        meta.getPersistentDataContainer().set(key, type, value);
+
+        return this;
+    }
+
     /**
      * Set unbreakable.
      *