Features extra Extra large size, 3 heat settings/moisture/dry options soft micro plush fibers for comfort. Machine washable. Provides effective relief from sore muscles, cramps back pain.Features:PAIN SORE MUSCLE RELIEF-Heating pad for back pain relief delivers a stream of heat to the affected area, eases back pain, unbearable cramps, and provides pleasant muscle relaxationExtra Extra Large Heating Pad 20"x24"3 Heat Settings: High, Medium, LowSOFT MICROPLUSH FIBERS -Heating pad for neck and shoulders is ultra-soft, giving that awesome cozy feeling, wherever you put them. Flexible micro plush adapts to your body shape for maximum effect.MOIST AND DRY OPTIONS MACHINE WASHABLE! Low, medium or high temperature heat settings Can be used moist or dryModel Numbers:Checkers Pattern: HMG2024GHMGrey Pattern: HMG2024GYDTeal Pattern: HMG2024TLDLavender Pattern: HMG2024LVD