HEATED CAT BED: Heated cat bed features a soft orthopedic foam base and over-stuffed bolsters for security and comfort OPTIMAL TERMPERATURE: Electric heated cat bed is thermostatically controlled to automatically warm to your cat's normal body temperature only when your kitty is in the heated pet bed ENERGY EFFICIENT: Heated cat bed is low wattage and extremely energy efficient; the thermostatically controlled K&H Pet Bed Warmer is removable for use in all seasons MACHINE WASHABLE: K&H Thermo-Kitty fashion splash heated cat bed features a removable cover for easy wash and care SAFETY: K&H doesn't just use safety listed parts, we safety certify the entire product. This heated cat bed has been tested & certified by MET Labs and exceeds USA/CA electrical safety standards SIZING: The K&H Thermo-Kitty Fashion Splash is available in two colors and sizes; both sizes come in blue and mocha, the small measures 18" in diameter, and the large measures 16" x 22" HOW IT WORKS: This heated bed may NOT feel warm to the touch when your pet is NOT in the bed; it emits a small amount of heat when not in use (pets can sense it), but only warms to max temperature when your pet is using the bed - see “How to Test” image BRAND YOU TRUST: Designed by K&H with OVER 20 years of experience in creating safe, innovative, quality products for pets