The hump waterproof rucsac cover will ensure your backpack contents stay dry as well as making you more visible to passing motorists the fully waterproof fabric construction with tapered seams will give you a cover you can rely on even on the wettest days of the year this hump waterproof backpack cover also features elasticated bindings to give you a secure fit on most bags between 15 35 litres hump waterproof rucsac cover features original hump keeps the contents o