Ultra-lightweight, the Mares Cruise Lightweight Dry Backpack is an absolutely watertight bag. With 2.4lbs weight, it proves to be the best diving travel backpack. Waterproof seams, generous internal capacity (108 liters), and anti-corrosive zipper make the Mares Cruise Backpack a perfect diving gear. With easy-to-adjust and detachable padded shoulder straps, it looks a must-have convenient tote. Cross-chest adjustable sternum strap ensures maximum stability to long haul. Side-release squeeze-style buckles on all straps allow quick adjustments, doffing and donning. The Mares Cruise Lightweight Dry Backpack is made from 600-Denier 78T Durable Nylon, 420-Denier Honeycomb material and 0.5mm PU backing.