Moist heat pack and cover set includes 1 standard size 10x12 moist heat pack and 1 terry with foam fill pocketed cover. Case of 12 sets. The moist heat pack is a simple and effective method of applying moist heat. Provides 30 minutes of therapeutic moist heat to soothe discomfort from stiff neck, backache, arthritis, sprains and bruises. The pack can?be?heated in water on?a stove, in a microwave or in a heating unit. When treatment is complete, the pack can be stored in a plastic bag in the freezer. A To prevent burning, all moist heat packs must be applied with either a hot pack cover or heavy towel completely wrapped around the pack. The terry cloth hot pack cover allows therapeutic moist heat to penetrate without burning the skin. Hook and loop fasteners keep moist heat packs in place. Soft microfiber finish. Covers are machine washable and can be used again and again.