Providing hot or cold therapy to your sore, stiff neck, this flexible, gel cervical collar offers quick, soothing relief. Heat in the microwave to ease tension and stress; cool in freezer to reduce swelling and pain. Cervical collar for neck pain polyester/cotton cover removes for hand washing; hook-and-loop closure adjusts for perfect fit. 19 3/4"L x 7 3/4"W.