The Herbal Neck Wrap has comfy polyester ultra suede on one side the other soft & cozy shearling. Designed to fit the contours of your neck the Neck Wrap will stay in place while walking standing or sitting. The Neck Wrap provides 100% All Natural Aromatherapy and is filled with 12 healing herbs and the highest quality natural grains available. The Neck Wrap will rest snugly around your neck while the natural herbal content contours the curves of your body and helps to relieve stress tension cramps and muscle discomfort. Microwave for instant heat therapy or chill for instant cold therapy. Features:. 100% natural herbs and grain. heats in microwave in minutes. soft cozy fabric. great for active people with muscle stress tension or pain. wrap contours to body. stays in place while walking standing or sitting. long lasting warmth. chill in freezer for cold therapy.