surepromise Heavy Duty Waterproof Dry Bag with Strap Roll Top Dry Compression Sack Keeps Valuables Dry for Kayaking, Beach, Rafting, Boating, Hiking, Camping, Snowboarding Protect Your Valuables and Keep them Dry! Lightweight and durable Provides waterproof protection for your phones, camera, clothes, and documents from Water, Sand, Dust and Dirt 4/10/20/40/80 Liters meet your different needs and still being able to easily carry. Roll top provides you an adjustable function Suitable for quick submersion, protects valuables from dirt, dust, sand