Back Battery Cover Rear Glass Assembly Housing Case Replacement for iPhone 4S + Tools (Black) Blends high quality durable material with cutting edge tech. Protect your iPhone Backface from Scratch and Collisions very well. Washable, you can clean and reuse it time after time Perfect dress up kit for your cell phone battery Material: Plastic. Dimensions: 11.4 x 5.8cm / 4.48 x 2.28 inch (L x W). Weight: 0.78oz / 22g. Compatible with iPhone 4S