Waterproof Backpack Bag PVC Coated with 500D nylon lamintion 30 liter - 45 liter - 60 liter Waterproof Backpack BagPVC Coated with 500D nylon lamintion30 liter 19x30x54cm45 liter -  24 x 40 x 47cm60 liter -  24 x 40 x 62.5cm