Lock away germs and odours in advance with multi-layer antibacterial film. Antibacterial protection film kills 99% of germs on contact. 100 times more effective at odour protection than nappy sacks. Just drop a cassette into the top of the tub and it’s ready for use in seconds. Fits All Tubs refill cassettes. New cassette design fits all Tommee Tippee Sangenic tubs.