Frost Protection – These waterproof thermal outdoor tap cover are designed to prevent the frost from penetrating your outdoor tap which can cause major damage. Comply with EU Environmental Protection 7P Standard – Some covers contain PVC with a high percentage of harmful chemicals, but our PVC lining complies with EU Environmental 7P Standard. Not only does it provide stronger water resistance and crack resistance, but also it is environmentally friendly Thickened Material – Waterproof breathable oxford fabric protection on the outer surface, and the middle was filled with collodion, surface was coated with waterproof coating Easy to put on – just slip it over the tap and secure with the hook and loop strap, and the tap cover jacket is installed, you could adjust the tightness by adjusting the strap. Dimension – Each tap cover measures approx 19 x 14.5 cm/ 7.48 x 5.7 inches (LxW), can insulate most standard sized outdoor garden taps.