22'x20' Electric Foot Heating Pad features a large-sized pocket design to accommodate two users at once Adjustable Temperature - Fast heating function with 3-level temperature adjustment from 104 to 131H Comfortable - Features a neat and soft surface made of flannel and inner lining made of skin-friendly cotton velvet for comfortable heat therapy Features overheating protection which automatically shuts off the machine after 2 hours Removable control panel and waterproof power inlet for machine wash