Waterproof Bag Dry Case for Ipad Mini ,Asus Memo Pad 8,lenovo Yogatab2 up To 9 Inch Tablet Pc TPU Material 100% waterproof ,dirt-proof,snow-proof,sand-proof perfect size suitable for ipad mini device Made of environmentally-friendly biodegradable thermoplastic polyurethane (TPU) Every case is individually tested to meet IPX8 standard of withstanding submersion in 11 meters of water for long time.