Ace Teah Waterproof Dry Bag - Roll Top Dry Closure Compression Sack Keeps Gear and Values Dry for Kayaking, Beach, Rafting, Boating, Hiking, Camping Size and High-quality Material: The 15L and 20L dry sacks allow you to conveniently separate your vital equipments - a secure and practical way to organise and carry your things. They are made of lightweight material with industrial grade 500D PVC Tarp. It is IPX6 Recognised and Reach Certified, which could provides waterproof protection for your gears and values from water, sand, dust and dirt.?They stay soft and flexible even in the coldest weather Durable: Double-stitched, sealed seams, scrim-reinforced, vinyl bottom, roll-top plastic closure tab system provides secure and watertight seal. It can offer proven protection for everything from amusement parks water splashing; Suitable for quick submersion, protects valuables from dirt, dust, sand and water Functions: The waterproof dry bag can meet your different needs and be convenient and easy to carry. The roll top provides you an adjustable functional secure and practical way to organise and carry your things. Store clothes, food and general equipment Adjustable Shoulder Strap: Compression dry sack comes with a removable and adjustable extra-long shoulder sling. It's easy to carry and transport, you can adjust it for your need and take it everywhere KINDLY NOTE: The dry bags can stand a short submergence, but they aren't supposed to be submerged, since they are NOT scuba bag. They are highly water resistant, but are NOT guaranteed to be 100% waterproof. So do NOT fully submerse the top of the bag! If you intend to use the bag for full submersion with your electronics, we recommend using another layer with waterproof pouch for extra protection