Round, or dome shaped doghouses have been a best seller for years and the Lectro-Soft Igloo-Style Heated Pad is the answer to provide warmth for the animals using these homes. It?s half round shape fits easily through the door of the home and allows for the pet to stay on or off the heated surface.This soft, orthopedic bed is unique in that it will still provide soft, comfortable warmth even in sub-zero weather. Super soft PVC is used on the exterior to ensure the bed doesn't absorb water and stay wet like a fabric bed would. The Lectro-Soft Igloo-Style Heated Pad provides reliable, soft, affordable comfort. Indoor or outdoor use. One year limited warranty.