Instant Warmth: Our pet self-warming pad provides immediate warmth for your furry friend, ensuring they stay cozy and comfortable even on the coldest days. No need for electricity or batteries - just lie on it. It's always ready to use. Noiseless Design: Made from ultra-soft fluffy fabric that provides a snuggly surface for napping. The self-warming mat will not make a crinkle sound by the completely noiseless aluminum foil film for enhanced sleeping comfort. Non-Slip Bottom: The anti-slip bottom is designed to enhance the friction at the bottom of the extra-warm pad, which can be well used for various types of floors, beds, sofas, crates, cars, and more, even for the outside lawn. Travel-Friendly: Lightweight and easily portable, making it great for travel. Whether you're going on a road trip, camping, or simply visiting friends and family, you can bring the comfort and warmth of home for your pet wherever you go. Versatile Usage: There are 4 sizes for you to choose from, our