Gel Cervical Collar brings welcome relief from neck pain! Therapeutic collar has a gel-filled inner pack that can be heated in micro­wave to relax tense muscles and ease aches, or chilled in freezer to help reduce swelling and pain. Soft, comfy poly/cotton cover is re­movable for washing. Hook-and-loop neck closure adjusts to fit all. 19-3/4" L x 7-3/4" at widest point.