Features: and Made of materials, high intensity waterproof, durable. Wide opening for easy packing, adjustable roll-top closure and quick release buckle, easy to seal. Zippered front pocket provides easy access to wallets, cell phones, licenses, etc.. Mesh pocket for your bottle. Removable adjustable shoulder strap: Sling the strap over your shoulder to easily tote your gear. Or attach the strap to your boat or kayak to keep your bag conveniently at hand. for Ideal for traveling, kayaking, biking, commuting, camping, hiking and fishing. Specification: Material: Plastic Optional Color: Black, Yellow, Blue Optional Size: 10L 40x20cm/15.75x7.87in; 20L 48x25cm/18.90x9.84in Quantity: 1 pc : Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Waterproof Dry Bag(other accessories demo in the picture is not included.)