diff --git a/Facepunch.Steamworks.Test/InventoryTest.cs b/Facepunch.Steamworks.Test/InventoryTest.cs
index 5c78829..593af1d 100644
--- a/Facepunch.Steamworks.Test/InventoryTest.cs
+++ b/Facepunch.Steamworks.Test/InventoryTest.cs
@@ -61,7 +61,7 @@ namespace Steamworks
 
 				foreach ( var item in items )
 				{
-					Console.WriteLine( $"{item.Id} / {item.DefId} / {item.Quantity} " );
+					Console.WriteLine( $"{item.Id} / {item.DefId} / {item.Quantity} / {item.Def.Name} " );
 
 					foreach ( var prop in item.Properties )
 					{
diff --git a/Facepunch.Steamworks/SteamInventory.cs b/Facepunch.Steamworks/SteamInventory.cs
index f08df22..ba3aa87 100644
--- a/Facepunch.Steamworks/SteamInventory.cs
+++ b/Facepunch.Steamworks/SteamInventory.cs
@@ -40,6 +40,17 @@ namespace Steamworks
 		internal static void DefinitionsUpdated()
 		{
 			Definitions = GetDefinitions();
+
+			if ( Definitions != null )
+			{
+				_defMap = new Dictionary<int, InventoryDef>();
+
+				foreach ( var d in Definitions )
+				{
+					_defMap[d.Id] = d;
+				}
+			}
+
 			defUpdateCount++;
 
 			OnDefinitionsUpdated?.Invoke();
@@ -76,6 +87,14 @@ namespace Steamworks
 			return true;
 		}
 
+		internal static InventoryDef FindDefinition( InventoryDefId defId )
+		{
+			if ( _defMap.TryGetValue( defId, out var val  ) )
+				return val;
+
+			return null;
+		}
+
 		public static string Currency { get; internal set; }
 
 		public static async Task<InventoryDef[]> GetDefinitionsWithPricesAsync()
@@ -103,6 +122,7 @@ namespace Steamworks
 		}
 
 		public static InventoryDef[] Definitions { get; internal set; }
+		public static Dictionary<int, InventoryDef> _defMap;
 
 		internal static InventoryDef[] GetDefinitions()
 		{
diff --git a/Facepunch.Steamworks/Structs/InventoryDef.cs b/Facepunch.Steamworks/Structs/InventoryDef.cs
index fbda5ac..e384619 100644
--- a/Facepunch.Steamworks/Structs/InventoryDef.cs
+++ b/Facepunch.Steamworks/Structs/InventoryDef.cs
@@ -4,7 +4,7 @@ using Steamworks.Data;
 
 namespace Steamworks
 {
-	public struct InventoryDef
+	public class InventoryDef
 	{
 		internal InventoryDefId _id;
 
diff --git a/Facepunch.Steamworks/Structs/InventoryItem.cs b/Facepunch.Steamworks/Structs/InventoryItem.cs
index 83d4794..1643c5b 100644
--- a/Facepunch.Steamworks/Structs/InventoryItem.cs
+++ b/Facepunch.Steamworks/Structs/InventoryItem.cs
@@ -18,6 +18,8 @@ namespace Steamworks
 
 		public int Quantity => _quantity;
 
+		public InventoryDef Def => SteamInventory.FindDefinition( DefId );
+
 
 		/// <summary>
 		/// Only available if the result set was created with the getproperties
diff --git a/Facepunch.Steamworks/Structs/InventoryResult.cs b/Facepunch.Steamworks/Structs/InventoryResult.cs
index 9b804af..62eb875 100644
--- a/Facepunch.Steamworks/Structs/InventoryResult.cs
+++ b/Facepunch.Steamworks/Structs/InventoryResult.cs
@@ -21,7 +21,7 @@ namespace Steamworks
 			while ( _result == Result.Pending )
 			{
 				_result = SteamInventory.Internal.GetResultStatus( _id );
-				Task.Delay( 10 );
+				await Task.Delay( 10 );
 			}
 
 			return _result == Result.OK || _result == Result.Expired;