PM9430B | 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