Poop Patrol Bag Dispenser and 2 Refill Rolls (253) Secure adjustable strap fits any leash Refill bags fit any standard holder The strongest pet waste bags available Bags release one at a time Secure adjustable strap - fits any leash EZ pull dispensing - bags release 1 at a time. Refill bags fit any standard dispenser. Bags are 5 times stronger than other brands.