Sumaclife Heavy Duty Waterproof Pouch Bag Case with Adjustable Neck Strap for Samsung Galaxy S7 (Pink) Using highly-durable PU material, which protects against water, dust, dirt, grease, scratches and bumps. Front transparent screen protector window allows full touch screen accessible and button control functionality as well as the ability to take photos, listen music, and check emails. The seal uses stylish valve bag, which has two concave and convex clasps. You just press lightly. It will be closed very tight. Water will not penetrate into it at all. Outer has two buttons to make it more secure. Adjustable Neck Strap makes convenient carrying. Wonderful cellphone assistant when you are in outdoors, swimming pools, beaches ect. It fits for cellphones size ranging from 4.5 inches - 5.1 inches. Compartment Dimension (approx): 5.8 inches (L)*3.5 inches (W)*0.3 inches (H) | Neck Strap (approx): 19.3 Inch