Ubbi Biodegradable Plastic Bags The Ubbi Diaper Pail can use any regular tall kitchen trash bag, but these are available for your convenience. They are biodegradable and contain 20% recycled material.biodegradablecontains 20% recycled material13 gallon (57.2l) capacity17.7" c33.4" l 45cm x 85cmincludes 25 bags