Arf Pets Pet Dog Cat Self - Warming Heating Mat Pad for Beds Crates and Kennels with Soft Polyethylene Foam Core &ndash; Available in Wide Variety of Sizes Soft and Safe Polyethylene Foam Soaks Up and Then Re-Radiates Body Heat Luxurious Fleece Cover Provides Superior Comfort While Helping Trap Warmth Wide Variety of Sizes Available to Fit Every Pet  From Gerbils to Great Danes Low-Maintenance Design Clean Easy with Soap and Water to Eliminate Odors Quality Materials and Construction Guarantee Years of Happy Pets & Owners