2489D Type: Muff/Hand Size (8"x17" rolled) Features: -Designed for arthritis sufferers. -New four-stage therapy switch provides optimum 20-minute treatments. -Simple one-touch control features auto shut-off timer. -Produces intense moist heat without adding water. -Fast-acting therapy relieves pain and stiffness for hours. Temperature: -Hot. Product Type: -Heat Pack. Dimensions: -Petite / Neck: 4'' W x 17'' D. -Muff / Hand: 8'' W x 17'' D. -Medium / Joint: 14'' W x 14'' D. -Large / Back: 14'' W x 27'' D. Overall Product Weight: -1.5 lbs.