Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Medium/Joint Size 14" x 14" * 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 * Shipping Carton Size: 16"L x 12"W x 4"H