Jax and Bones P.U.P. Pick Up Poop Waste Bag Dispenser comes pre-loaded with 2 rolls or 30 individual bags of standard size poop bags (scented EarthRated bags). Two fasteners make it possible to clip on to a retractable leash or soft leash. Standard grommet allows bags to smoothly dispense as you use and P.U.P is machine washable.