Battle Creek Thermophore MaxHeat Petite 4 x 17In 177

Built-in 20 minute timer
Switch turns on and off to maintain highest temperature safely
Intense moist heat without adding water
Max temperature of 180 degrees Fahrenheit
Moist hot packs
Thermophore temporarily relieves arthritis pain, relieves pain caused by muscle spasms and delivers deep, temporary relief from the aches and pains of an active lifestyle.