King 1 in. Mattress Topper

Controlled moist heat from this king-size heating pad brings temporary pain relief to muscle strains and sprains, joint pain and inflammation. Moisture from the heated sponge pad penetrates sore muscles with its own therapeutic "wet" heat, increasing blood flow in the affected areas to provide relief. The king-size pad with a machine-washable cloth cover is big – making it an ideal treatment option for lower and upper back pain. Easy-to-read LCD controls let you set and monitor temperature for the treatment that works for you.