MULTIPLE Advantage: Organic contains a variety of nutrients, including rich in unsaturated fatty acids and fiber. These ingredients help stimulate bowel movements, promote liver detoxification, and relieve muscle and joint pain, making it very effective for constipation, liver detoxification, and muscle and joint pain. It also relaxes the lower back, improves blood circulation and reduces inflammation. Skin-friendly material: Organic pack is made of 1 fabric, skin-friendly, and machine washable. The inner layer of the pack is made of TPU (thermoplastic polyurethane), a water and oil repellent material that helps prevent oil leaks. Adjustable and elastic shoulder straps: The bag has adjustable elastic shoulder straps that can be customized to fit your waist size. This organic pack features ergonomically designed elastic shoulder straps and a soft lining that comfortably wraps around your waist and neck, relaxing your muscles, improving circulation and reducing inflammation. This organic pack is designed with a zipper pocket on the front to conveniently hold a hot/cold pack to enhance the absorption of in the abdomen, stimulate blood circulation, or relieve muscle and joint pain for better results. Instructions for use: Before the first use, it is recommended to wash the package. Then, simply apply to the center of the pack, adjust it to a comfortable angle, and secure it to your lower back. You can wear it for about an hour, then remove it and store it in a cool, dry place. Do not use packs while pregnant. Colour:Skin Color Material:fabric Package Contents: 1 * waist pack 1 * neck pack 1pair * chest packs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.