Refill cassette fits all tommee tippee sangenic nappy disposal systems antibacterial film kills 99 of germs on contact individually wraps each nappy to seal in odour 100 times more effective at odour prevention than nappy sacks tested against the leading supermarket brand refill wraps up to 84 size 1 nappies refill cassette fits all tommee tippee sangenic nappy disposal systems except simplee sangenic