K&H Thermo-Kitty Cabin in SageThe K&H Thermo-Kitty Cabin includes a dual thermostat 4-watt heating unit to make this the perfect warm and cozy hideaway. The flexible exterior can be formed into 3 useful shapes. The Thermo-Kitty Cabin offers year-round comfort and warmth. Indoor use only. 16"L X 16"W X 13"H.