Adorable poop bag holder. The Egg-cellent Refillable Poop Bag Holder comes in two color combinations: white and black. Attach to any bag, harness or water bottle to easily carry around poop bags when you go out with your doggo. Just pop open the egg to refill with any standard size poop bags. Egg-cellent Poop Bag Holders include 15 ready to use poop bags.