Northcore Dry Bag 20L Unisex Backpack in Blue The NEW backpack version of the high performance dry bag from the range of essential Northcore accessories. A substantial 30L storage capacity and duel padded shoulder carry straps for maximum comfort. Constructed using heavy duty PVC construction, making it one of the toughest and most durable on the market. Internal heat sealed seams for a 100% waterproof seal. Reflective patches for visibility in low light. Features     Durable Practical Waterproof Northcore Dry Bag 30L Backpack - Blue