diff --git a/classes.h b/classes.h
index 045d3d2..d5d9e35 100644
--- a/classes.h
+++ b/classes.h
@@ -409,6 +409,14 @@ class CEconItemDefinition
 
     // other
     CEconItemDefinition* GetOwningPackBundle() const        { return m_pOwningPackBundle; }
+
+    // Item sets
+    int GetItemSetsCount() const { return m_iItemSets.Count(); }
+    int GetItemSet(int iIndex) const
+    {
+        return m_iItemSets.IsValidIndex(iIndex) ? m_iItemSets[iIndex] : -1;
+    }
+
 private:
     void* m_pVTable; // 0 (4)
     KeyValues* m_pKVItem; // 4 (4)
diff --git a/natives.cpp b/natives.cpp
index 8dd83c7..9df04cf 100644
--- a/natives.cpp
+++ b/natives.cpp
@@ -1,4 +1,4 @@
-/**
+/**
  * EconAPI
  * Copyright (C) 2021-2022 Natanel 'LuqS' Shitrit
  *
@@ -908,6 +908,26 @@ static cell_t CEconItemDefinition_GetModel(IPluginContext* pContext, const cell_
     return numBytes;
 }
 
+static cell_t CEconItemSetDefinition_GetItemSetsCount(IPluginContext* pContext, const cell_t* params)
+{
+    CEconItemDefinition* pItemDefinition = reinterpret_cast<CEconItemDefinition*>(params[1]);
+
+    SM_NATIVE_ERROR_IF_NULL(pItemDefinition);
+
+    return pItemDefinition->GetItemSetsCount();
+}
+
+static cell_t CEconItemSetDefinition_GetItemSet(IPluginContext* pContext, const cell_t* params)
+{
+    SM_NATIVE_ERROR_IF_NULL(g_pCEconItemSchema);
+
+    CEconItemDefinition* pItemDefinition = reinterpret_cast<CEconItemDefinition*>(params[1]);
+
+    SM_NATIVE_ERROR_IF_NULL(pItemDefinition);
+
+    return reinterpret_cast<cell_t>(g_pCEconItemSchema->GetItemSetDefinition(pItemDefinition->GetItemSet(params[2])));
+}
+
 // CCStrike15ItemDefinition
 static cell_t CEconItemDefinition_GetLoadoutSlot(IPluginContext* pContext, const cell_t* params)
 {
@@ -2803,6 +2823,9 @@ extern const sp_nativeinfo_t g_ExtensionNatives[] =
     { "CEconItemDefinition.GetLoadoutSlot",                 CEconItemDefinition_GetLoadoutSlot },
     { "CEconItemDefinition.GetModel",                       CEconItemDefinition_GetModel },
 
+    { "CEconItemDefinition.ItemSetsCount.get",              CEconItemSetDefinition_GetItemSetsCount },
+    { "CEconItemDefinition.GetItemSet",                     CEconItemSetDefinition_GetItemSet },
+
     // CPaintKit
     { "CPaintKit.Get",                                      CPaintKit_Get },
     { "CPaintKit.Count",                                    CPaintKit_Count },
diff --git a/sourcemod/scripting/include/EconAPI.inc b/sourcemod/scripting/include/EconAPI.inc
index 4aabc67..2b7ce8e 100644
--- a/sourcemod/scripting/include/EconAPI.inc
+++ b/sourcemod/scripting/include/EconAPI.inc
@@ -1015,6 +1015,13 @@ methodmap CEconItemDefinition
      * @error              Invalid model_type or invalid CEconItemDefinition. (NULL)
      */
     public native int GetModel(ModelType model_type, char[] buffer, int len);
+
+    property int ItemSetsCount
+    {
+        public native get();
+    }
+    
+    public native CEconItemSetDefinition GetItemSet(int index);
 }
 
 methodmap CPaintKit
@@ -1709,6 +1716,9 @@ public __ext_EconAPI_SetNTVOptional()
     MarkNativeAsOptional("CEconItemDefinition.GetLoadoutSlot");
     MarkNativeAsOptional("CEconItemDefinition.GetModel");
 
+    MarkNativeAsOptional("CEconItemDefinition.ItemSetsCount.get");
+    MarkNativeAsOptional("CEconItemDefinition.GetItemSet");
+
     // CPaintKit
     MarkNativeAsOptional("CPaintKit.Get");
     MarkNativeAsOptional("CPaintKit.Count");