Plastic Oddities Freeze Cap (2 Pack) Outdoor Faucet Insulator Cover, Hook Mount Outdoor faucet cover with easy hook mount Two (2) faucet covers are included and fits most valves Insulates outdoor faucets and protects from wind chill, freeze protection and UV resistant Reusable, resistant to rust, improves aesthetics of any building and fits most faucets Durable and hard plastic outer shell that you simply hook to the faucet and tighten the wingnut