K&H Kitty Sill??? Made of orthopedic foam under a soft, machine washable fleece cover, the K&H Kitty Sill??? uses decorative brackets that adjust to fit any window sill (no tools required) and support up to 40 pounds. The surface stays 12-15?? above room temperature and warms to 102?? when in use. Available with or without a heating element. Item Specifications: Dimensions: 14L x 24W Click here to watch the product video. KH3096 655199030965