The aLOKSAK is an element-proof storage bag that prevents leakage and preserves items against damage from water, air, dust and humidity. These bags are made of a durable polyethylene blended film and are 100% water/air tight. They are considered disposable though, unlike other 100% water/air tight bags, they can be opened and resealed numerous times. Package contains two bags. 4" X 7" - iPhone 6/6+ w/Case 8" X 11" - iPad 3.75" X 7" - iPhone 6