Keep your Nappy Wrapper refilled and topped up with the Tommee Tippee Nappy Wrapper Legacy Economical Refill pack. Cassettes give you maximum protection against unpleasant nappy smells and germs. It contains a multi-layer film with a special odour barrier, antibacterial agent and fragrance. You can continue using this cassette until your child is potty trained. Advanced Germ-seal Film with Anti-bacterial Barrier, Keeps on Killing Germs Even inside the Tub. Uses up to 60% Less Plastic than Premium Nappy Sacks, and up to 40% Less Plastic than Our Previous Nappy Wrapper.