hot/cold packs in protective covering for nursing or post surgery used for about 2 weeks over clothing/ iced only Heat them up or cool them down! comes with two packs. both removable from the comfy pink and white striped cloth cover. Instant Nursing Pain Relief We are all different! For some of us, it's painful, tiring, uncomfortable and in some cases almost unbearable. That's why we developed this unique gel pack and sleeve. It has two uses, warming to encourage let down, and ice cold to relieve swelling and pain. It has a totally unique design and is backed by Doctors and medical professionals nationwide. Natural Drug Free Pain Relief Sore nipples, engorged breasts, mastitis, swelling and inflammation. Relieve your breast pain and help unclog your clogged milk ducts. When warm it encourages let down. Use for Nursing Pain Relief Increase Milk Flow Decrease Engorgement Soothe Mastitis