Is your Sprogley Bone Dispenser out of bags? Then you need to refill with the Sprogley Bone Dispenser Refill Bags that comes in a set of 4 bag rolls which holds 15 waste bags each. These bags are bio-degradable, strong and leak-proof which gives you that peace of mind in those uneasy cleanup moments. When walking your dog – avoid a fine – and ‘keep your hands clean’ while doing it. You have to doo this for the doodoo … and then you don’t have to go … ‘oo poop’!