This is a set of 6 genuine replacement cassettes for Aprica's NIOI POI powerful diaper pail. It can also be used with the NIO WA NAKUTE POI. The item will be shipped with the box sealed with tape (such as packing tape) to prevent it from opening, and the shipping label will be affixed directly to the product box. Please understand this in advance. Product Features - Deodorizes unpleasant odors from the source with deodorizing film! - Powerful deodorizing ingredient "Kescreen α" supports 99% antibacterial and antimicrobial action. - This is a 6-cassette pack. - Can also be used for pet waste. You want to dispose of diapers hygienically for your baby. Aprica's "NIOI POI" uses the powerful deodorizing ingredient Kescreen α to deodorize and inhibit bacteria from the source of diaper odor.