Features: 1. Self-heating: Self-heating, no electricity and wires and plugs, energy saving and safety. The pet lies on the top, and the product produces a heat reflection effect, which can lock the temperature of the pet without losing, and communicate with the temperature of the pet to block the cold. 2. 5-layer structures: self-heating pet mat, using super soft fluff, flannel insulation cotton, warm and scratch-resistant cloth, middle folder heat storage and heat preservation aluminum foil, bottom layer anti-slip epoxy oxford cloth 5 layers structures. 3. Non-slip design: The bottom is anti-slip design,safe. 4. Quality Assurance: The product adopts 4-side hand-stitched edging process design, which will not cause problems such as pulling flowers. The 5-layer structures adopts high-frequency anti-pressure technology design to tightly lock the temperature. This product is suitable for pet nests, pet cages, rear and rear seats of cars, sofas, beds, and multiple scenes on the ground. 5. Clean and portable: Self-heating pad can be used for machine washing or hand washing, repeated use. Portable and easy to store. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specification: Material:fluff,aluminum foil,warming cloth,oxford cloth. Size: S:40x50CM Coffee S:38x48cm M:50x70CM L:60x90CM XL:115x75CMincludes:1x Pet Mat About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.