The sturdy K&H Pet Products Thermo-Kitty Sleephouse cat bed is available in heated and unheated models and is made with microsuede and soft fleece. These cozy little cat caves have rigid plastic walls that stand the test of time. The sturdy design allows kitties to sleep inside for a private cozy cat cave experience, or rest on top for an elevated cat bed experience. The K&H Pet Products Thermo-Kitty Sleephouse cat cave zips apart and lays flat for storage and travel. Comes in heated and unheated versions. The heated version of this cat house has been tested & certified by MET Labs and exceeds USA/CA electrical safety standards. We don't just use safety listed parts, we safety certify the entire product. Indoor use only. One year limited warranty.