Waterproof case fits iPhone, , etc all smartphones up to 6.0 inches (some big screen cellphones need to remove protective case), wallet money or others waterproof dry bag for beach, swimming, boating, or other outdoor activities. Feature: The use of new high-security performance waterproofing system. Less than 20m depth waterproof guaranteed Please make use of the first test to check for damage Double-layer protection: neck hanging type and the mountain type It can float. So,you do not have to worry about when it falling into the water. Item can contain for iphone 4, for iphone 5,6,7,10,for Samsung Galaxy S3/S4/S5,for M7/M8,the all cell phones size under 5.5 Using a temperature not exceeding 40. Material: PVC