Features 1. Packaging The wrap is designed with many tight buttonholes to cater to every size for the most comfortable fit. 2. Packaging The wrap is fixed with buttons instead of velcro, which reduces the presence of the wrap when in use and can provide the most comfortable experience for the body. The 3-pack wrap is made of soft skin-friendly fabric with a thin layer of fleece inside for extra comfort. The pack comes with a pouch for hot or cold compresses to speed up the absorption of the essential oils and assist in the treatment. 4. The reusable bag is durable, easy to use and machine washable. 5. Use 1 hour a day, preferably with 1-2 tablespoons of castor oil, avoiding the edges of the bag. Do not use packs during pregnancy. Package list: Aid sleep belt*1