●[Material] Polyester Size: 3.9 x 7.9 inches (10 x 20 cm), 15 x 28 cm (2 sizes available) ●[Prevents biting] The heater part wrapped in a durable cover and the power cord with a double protective structure prevents the danger of tearing caused by biting your dog or cat or a cat. ●[Removable cover] Easy to clean (clean at any time). If it gets dirty, you can simply wipe it off and wash the cover. ●【Waterproof】The carpet has good water resistance, so you can get wet with water or pee and wipe it with a dry towel, but the soft surface can be bent and folded. ●【Power supply】 Can be applied to mobile power or 5v2a phone charger, 3 seconds fast heat generation, let your pet sleep better.