[Antifreeze] - These waterproof and thermal outdoor faucet covers are designed to prevent frost from entering your outdoor faucet to prevent serious damage. [Wide and thicker faucet cover ] - External faucet cover has been improved to achieve larger size and thicker materials. Cut : 17 * 21cm, suitable for all standard garden taps. It is not necessary to remove the hose. Before installing the cover, lock the connector onto the outer seal. Thick materials can better insulate and protect your outdoor faucet from freezing and bursting in sub-zero weather [3 layers of protection] - The exterior is made of an Oxford waterproof coating to prevent frost from getting into your outdoor faucet. Thick cotton insulation is used in the middle to effectively insulate the outside temperature. Interior: Waterproof coating to prevent moisture. [Easy to use] - Simply wrap it around the faucet and secure with a hook and loop fastening strap. When you need water, easy to disassemble and re-install