Diaper Pails & Refills Diaper pails & disposal systems are designed to keep used, soiled diapers out of sight and smell. Diaper pails resemble the look of waste cans with the added features & benefits of a steel body that does not absorb odors and an innovative lid that prevents odors from escaping. Disposal systems have a hands-free step pedal that opens the lid and an ABS plastic body that does not retain odors. Liners & refills are available. Wet bags are great for waterproof storage on-the-go, making them perfect for use in a diaper bag.