RucPac Hardcase Backpack Conversion for the Pelican 1510 or 1535 cases.Converts most wheeled Pelican hardcases into a backpack Generously sized padded shoulder area and straps, where the weight is distributed, offer comfort and durability Allows wheeling of wheeled hardcases whilst still attached by removal of the bottom two webbing straps Height adjustable shoulder straps suit different sized users Quickly detachable and can be stored inside the hardcase Dual accessory D rings Weight bearing webbing straps secure to the