We?ve taken heated pet comfort to new levels with the K&H Pet Products Thermo-Pet Cuddle Cushion. With walls on 3 sides this sofa-style bed gives the ultimate in warmth while giving a safe secure feeling of a walled bed. The lowered front provides unobstructed access for even the tiniest of pets. A super-soft removable cushion is easily washable and can be used with or without the heating system. This indoor heated cat and dog bed has been tested & certified by MET Labs and exceeds USA/CA electrical safety standards; K&H doesn t just use safety listed parts; we safety certify the entire product - For indoor household use with 110/120 volt electrical current only. Designed by K&H Pet Products with OVER 20 years of experience in creating safe innovative quality products for pets; one year limited warranty.