NKTM Waterproof Pouch Dry Bag Fanny Pack with Waist Strap Keep Your Cellphone Cash Safe and Dry Perfect for Boating Swimming Snorkeling Kayaking Beach Quality Material: Made of durable and soft PVC material with a higher density. Not easy to deformation. Clear Window: The window is sensitive to touch. Clear vision to take photos or videos easily. Powerful Waterproof: Triple seal protection ensures valuables stay safe and dry on land and in water. Adjustable Belt( Fits sizes: 33" to 47"): The waist strap can be adjusted through the releasable buckle to an ideal length which fits comfortably around the waist. Multipurpose: Our pouch can hold cellphone, cash, passport, credit card and more, and you'll never have to deal with the limited space again.