Munchkin UV Diaper Pail Refill Rings, Holds up to 544 Newborn Diapers, 2 Pack 2 pack refills holds up to 544 newborn diapers (up to 272 newborn diapers per refill ring) Optimized for the UV diaper pail to eliminate odor causing bacteria Clear refill rings are made with durable, 7-layer film Fits all Munchkin diaper pails that are currently sold in major retailers Each bag includes 7 stink-busting layers