Stainless steel does not absorb odours like plastic. The Ubbi waste bin doesn't need a special bag, u easily use any standard kitchen waste bag to save money and time. The child safety lock prevents little hands from finding their way into the nappy pail. With a large capacity, it stores around 20 full-size nappies and 55 newborn-size nappies. Designed for easy loading, use, emptying and cleaning.