All parents want to protect their little ones, that's why Tommee Tippee's sterilisers are designed to kill viruses* and 99.9% of bacteria. UV light is a safe and dry method of sterilising which kills 99.9% of harmful germs without using heat, steam or harsh chemicals. You can rest assured that it sterilises those hard to reach areas, getting rid of germs that may linger in bottles, teats, breast pumps and other accessories even after thorough washing.