The Philips AVENT SCF291/00 advanced electric steam sterilizer effectively kills 99.9% of germs in just 6 minutes. It sterilizes using steam, an effective, chemical-free way to protect your baby from harmful germs. The advanced electric steam sterilizer is adjustable, giving you the option of a small configuration for pacifiers, a medium configuration for breast pumps, toddler plates and utensils, and a large configuration for up to 6 Philip Avent bottles; and it requires minimal counter top space. To use, just add water to the base, load, and turn on the power. Advanced features, such as a 6-minute cycle with automatic shutoff and drip tray to prevent unpleasant odors, make it easy to use; and contents remain sterile for up to 24 hours if the lid remains closed.