Features: Protects your valuables from dirt、 dust、 sand and water Durable、 wipe clean and easy to store away Its roll-top closure locks out all moisture and makes the bag air tight To ensure a waterproof seal、 be sure to roll the top 3 times、 and securely close the buckleSpecification: Brand new Material: 100% Nylon PU Waterproof Coating 5Colors for your choosing Size optional: 15L 15L Dry Bag Size: Approx 13.19 x 21.65 inch/ 33.5 x 55cm Waterproof Index: － 5000Package included: 1pc x compression dry sackNote: Due to the hand measurement、 there have size error about 1-3cm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same