Material: 210 d oxford protection water coating on the outer surface, and the middle was filled with collodion, inner surface was coated with 190t polyester taffeta waterproof coating,very suitable for rainy and snowy weather. Dimension: each tap cover measures approx. 21 x 15 cm/ 8.27 x 5.9 inches , can insulate most standard sized outdoor garden taps. Suitable for most faucets and easy to install and remove, the tightness can be adjusted through the adjustment strap. Powerful faucet cover protection: This faucet cover can protect your external faucet from freezing and cracking in winter. The multi-layer thickness keeps the faucet at a warm temperature and prevents harsh factors that may damage the faucet. Package includes: 2 black tap jacket