OLizee 17.7"x17.7" Pet Dog Cat Waterproof Electric Heating Mat Bed Warming Pad with Anti Bite Tube Size: Approx. 17.71*17.71 inch/45cm*45cm. Material: Waterproof fabric, NOT Water-resistant; Rated voltage: 110V; Rated power: 20W. Suitable for arthritic pets, new born pets, pregnant pets and ill pets, make them feel better with the warmth in cold weather. Using Instruction: Please keep the pad flat when it is working (do not put it on a soft seat). Adjustable temperature, high/low two heat level of controls according to your pet's need. Let your pet on it when you turn on the electric blanket. NOTICE: 1.Don't fold it; 2. Don't wash it; 3.To check power cord frequently in case of bitten by pet or it could catch fire accident. Keeping it dry, if there is any liquid mark on it, please wipe it out timely; 4.Don't keep it working when pet leave, please turn off the power timely; 5.It is helpful to bring extra warmth to pet, the warmth effect not only based on the surroundings your pet is staying also if it covers with something. About controls: Plug it in, have button in the bottom of controller means it stops working; Push button on the top means high heat level(122H); Set it in the middle, it means low heat level(86H). If any problem after receiving product, please contact us first, we will try our best to address it. Thanks!