This set of 3 Sink Faucet Extender is compatible with most sink faucets of all shapes and sizes. The Sink Handle Extender is for Adults, Babies, Toddlers, Kids and Children, Teach Yourself and Kids Good Sanitation Habits. Simply squeeze both sides while pushing the lower flap inward, attach to the faucet and scrub those germs away. Simply take it out, pop it in just seconds on any faucet and watch the good habits start to form.