Waste Bag Dispenser and Refill Rolls Why try to search for a random plastic bag before your walks when you can have this Petco Waste Bag Dispenser ($7, originally $13) already clipped to your pup's leash and ready to go? This supercute dispenser makes cleaning up after your pet a little more pleasant. Image Source: petco.com Waste Bag Dispenser $7 from petco.com Buy Now