Compatible with all Tommee Tippee diaper bins that twist – the refill cassettes are suitable for the Twist & Click and Sangenic TEC diaper systems. Unmatched odor protection – diapers are individually wrapped, preventing unpleasant smells from escaping, making it 100 times more effective than using regular diaper bags. Guaranteed protection against germs – the multi-layer antibacterial film kills 99% of harmful germs such as E. coli and Staphylococcus aureus. Lasts up to a month – each refill cassette contains enough film to wrap diapers for up to a month, depending on the size and number of diapers you use. Eco-friendly: To reduce environmental impact, all Tommee Tippee diaper bin refill cassettes are now made from 98% recycled plastic. Package includes: 3 cassettes in a box.