K&H Pet Products Lectro-Soft Outdoor Heated Bed - The first soft, outdoor heated bed on the market! Extremely low wattage. This outdoor heated dog bed/outdoor heated cat bed is perfect for the doghouse, cat house, basement, garage, barn, shed, porch or any outdoor dog or cat shelter. This soft, orthopedic bed provides comfortable warmth even in sub-zero weather. It uses an internal thermostat to keep the temperature at a desirable 102 when the pet lies upon the heated pad; and will remain 10-15 degrees above ambient air temperature when your pet is not on the bed. Soft PVC protects from water and a free removable, washable cover is included for easy care. The K&H Lectro-Soft Outdoor Heated Dog & Cat Beds are recommended for Indoor or outdoor use. This heated dog mat/heated cat mat has been tested & certified by MET Labs to exceed USA/CA electrical safety standards. One-year limited warranty. Note: This is a soft bed that is NOT recommended for dogs that chew or destructive dogs. SIZES: Small – 14” x 18” 20W; Medium – 19” x 24” 40W; Large – 25” x 36” 60W