diff --git a/PoolManagement/PoolManager.cs b/PoolManagement/PoolManager.cs
index 683dbdc..cafa8cd 100644
--- a/PoolManagement/PoolManager.cs
+++ b/PoolManagement/PoolManager.cs
@@ -12,10 +12,20 @@ public class PoolManager<T> where T : MonoBehaviour, IPoolItem
 		private Transform _container;
 		private bool _autoReuse;
 
+		private T[] _prefabs;
+		private int[] _prefabsShuffleBag;
+		private bool _autoResize;
+		private int _poolSize;
+
 		#region Contstructors
-		public PoolManager(Transform container, int size, bool autoReuse, T[] prefabs, params int[] prefabsShuffleBag)
+		public PoolManager(Transform container, int size, bool autoReuse, bool autoResize,T[] prefabs, params int[] prefabsShuffleBag)
 		{
 			_autoReuse = autoReuse;
+			_autoResize = autoResize;
+			_poolSize = size;
+			_prefabs = prefabs;
+			_prefabsShuffleBag = prefabsShuffleBag;
+
 			_pool = new List<T>();
 			_active = new List<T>();
 
@@ -27,50 +37,22 @@ public PoolManager(Transform container, int size, bool autoReuse, T[] prefabs, p
 				_pool.Add(child);
 			}
 
-			if (_pool.Count < size && prefabs != null && prefabs.Length > 0 && prefabs[0] != null)
-			{
-				ShuffleBag<int> bag = new ShuffleBag<int>();
-				for (int i = 0; i < prefabs.Length; i++)
-				{
-					bag.Add(i, prefabsShuffleBag.Length > i ? prefabsShuffleBag[i] : 1);
-				}
 
-				int attempts = size + 200;
-				while (_pool.Count < size && attempts > 0)
-				{
-					T prefab = prefabs[bag.Next()];
-					if (prefab != null)
-					{
-						T newPoolObject = GameObject.Instantiate(prefabs[bag.Next()]) as T;
-						if (newPoolObject != null)
-						{
-							newPoolObject.transform.SetParent(container);
-							newPoolObject.Init();
-							_pool.Add(newPoolObject);
-						}
-						else
-							attempts--;
-					}
-					else
-						attempts--;
-				}
-
-				bag.Clear();
-				bag = null;
-			}
 
 			prefabs = null;
 		}
 
-		public PoolManager(Transform container, int size, bool autoReuse, string[] prefabs, params int[] prefabsShuffleBag) : this(container, size, autoReuse, ConvertPathsToPrefabs(prefabs), prefabsShuffleBag) {}
-		public PoolManager(Transform container, int size, bool autoReuse) : this(container, size, autoReuse, new string[0]) {}
+		public PoolManager(Transform container, int size, bool autoReuse, bool autoResize, string[] prefabs, params int[] prefabsShuffleBag) : this(container, size, autoReuse,autoResize, ConvertPathsToPrefabs(prefabs), prefabsShuffleBag) {}
+		public PoolManager(Transform container, int size, bool autoReuse, string[] prefabs, params int[] prefabsShuffleBag) : this(container, size, autoReuse,false, ConvertPathsToPrefabs(prefabs), prefabsShuffleBag) {}
 
-		public PoolManager(Transform parent, string containerName, int size, bool autoReuse, T[] prefabs, params int[] prefabsShuffleBag) : this(CreateContainer(parent, containerName), size, autoReuse, prefabs, prefabsShuffleBag) {}
-		public PoolManager(Transform parent, string containerName, int size, bool autoReuse, string[] prefabs, params int[] prefabsShuffleBag) : this(CreateContainer(parent, containerName), size, autoReuse, prefabs, prefabsShuffleBag) {}
-		public PoolManager(T prefab, Transform container, int size, bool autoReuse) : this(container, size, autoReuse, new T[] { prefab }, 1) { }
-		public PoolManager(string prefab, Transform container, int size, bool autoReuse) : this(Resources.Load<T>(prefab), container, size, autoReuse) { }
-		public PoolManager(T prefab, Transform parent, string containerName, int size, bool autoReuse) : this(prefab, CreateContainer(parent, containerName), size, autoReuse) { }
-		public PoolManager(string prefab, Transform parent, string containerName, int size, bool autoReuse) : this(prefab, CreateContainer(parent, containerName), size, autoReuse) { }
+		public PoolManager(Transform container, int size, bool autoReuse,bool autoResize = false) : this(container, size, autoReuse,autoResize, new string[0]) {}
+
+		public PoolManager(Transform parent, string containerName, int size, bool autoReuse,bool autoResize, T[] prefabs, params int[] prefabsShuffleBag) : this(CreateContainer(parent, containerName), size, autoReuse,autoResize, prefabs, prefabsShuffleBag) {}
+		public PoolManager(Transform parent, string containerName, int size, bool autoReuse,bool autoResize, string[] prefabs, params int[] prefabsShuffleBag) : this(CreateContainer(parent, containerName), size, autoReuse,autoResize, prefabs, prefabsShuffleBag) {}
+		public PoolManager(T prefab, Transform container, int size, bool autoReuse, bool autoResize = false) : this(container, size, autoReuse, autoResize, new T[] { prefab }, 1) { }
+		public PoolManager(string prefab, Transform container, int size, bool autoReuse,bool autoResize = false) : this(Resources.Load<T>(prefab), container, size, autoReuse,autoResize) { }
+		public PoolManager(T prefab, Transform parent, string containerName, int size, bool autoReuse,bool autoResize = false) : this(prefab, CreateContainer(parent, containerName), size, autoReuse,autoResize) { }
+		public PoolManager(string prefab, Transform parent, string containerName, int size, bool autoReuse,bool autoResize = false) : this(prefab, CreateContainer(parent, containerName), size, autoReuse,autoResize) { }
 		#endregion
 
 		#region Constructor Helpers
@@ -113,6 +95,10 @@ public virtual void ReturnInactiveItemsToPool(System.Action<T> returnToPoolCallb
 
 		public virtual T GetItemFromPool()
 		{
+			if (_pool.Count == 0 && _autoResize)
+			{
+				FillPool();
+			}
 			if (_pool.Count > 0)
 			{
 				T item = _pool[0];
@@ -167,5 +153,40 @@ public List<T> Active
 		{
 			get { return _active; }
 		}
+
+		private void FillPool()
+		{
+			if (_pool.Count < _poolSize && _prefabs != null && _prefabs.Length > 0 && _prefabs[0] != null)
+			{
+				ShuffleBag<int> bag = new ShuffleBag<int>();
+				for (int i = 0; i < _prefabs.Length; i++)
+				{
+					bag.Add(i, _prefabsShuffleBag.Length > i ? _prefabsShuffleBag[i] : 1);
+				}
+
+				int attempts = _poolSize  - _pool.Count  + 200;
+				while (_pool.Count < _poolSize && attempts > 0)
+				{
+					T prefab = _prefabs[bag.Next()];
+					if (prefab != null)
+					{
+						T newPoolObject = GameObject.Instantiate(_prefabs[bag.Next()]) as T;
+						if (newPoolObject != null)
+						{
+							newPoolObject.transform.SetParent(_container);
+							newPoolObject.Init();
+							_pool.Add(newPoolObject);
+						}
+						else
+							attempts--;
+					}
+					else
+						attempts--;
+				}
+
+				bag.Clear();
+				bag = null;
+			}
+		}
 	}
 }