Description: Cell phone case / neoprene cell phone case or cell phone holder Material: 2mm thick of neoprene, which is a soft, elastic, and waterproof material, can protect mobile phone inside well. Specification: Width: 12cm, length: 40cm, The size of this cell phone case / cell phone holder can be changed based on your request. The cell phone case / cell phone holder is with arm band, convenienct to carry when you are out or for sporting. There are windows for cell phone panel on front of the cell phone case / cell phone holder, can read information without taking cell phone out. Can make printing on the cell phone case / cell phone holder. Provide many colors for choose.