Waterproof Backpack Heavy Duty Roll-Top Dry Bag for Kayaking Rafting Boating Reinforced contoured shoulder straps provide complete comfort. Low-profile sternum strap reinforces comfortability by taking the weight off your back. In addition, heavy duty waist-belt relieves added pressure to help support your load. Features: 500D PVC dry bag backpack features a large 35L main compartment that has a roll-top closure and single reinforced strip.  Additional side-cinching straps allow for a compact profile for your bag. The MOLLE system looping on the front of the bag, providing anchor points to latch onto while boating, biking, or kayaking. Splash-proof large zippered front pocket on the bag’s exterior gives easy access to small essentials and quick grab n’ go items like keys and wallet.   The inner zipper pocket allow you to organize and safely tuck away your important items. Specifications: Material: PVC Color: Black/ Yellow/ Army Green/ Blue (optional) Size: 30*18*70cm/ 11.8*7.1*27.6in Weight: 1.3kg/ 2.9lbs Package list: 1 * Waterproof Backpack