ProMarine Back Pack Dry Bag Gear Protector - 40L Features: • Lightweight Compact & Durable • Waterproof • Easy Operation & Cleaning • Versatile • 40 Litre Capacity • 500D water resistant tough PVC material • Solid roll-top closure system provides secure watertight seal • Easy breakaway buckle enclosure with handgrip & two shoulder straps • The dry sack can float on water after rolled and buckled so you can track your gear easily Dimensions: • Diameter - 290mm • Height - 450mm