Multiple Efficacy: Organic castor oil contains a variety of nutrients, including abundant unsaturated fatty acids and fiber. These components help stimulate intestinal peristalsis, promote liver detoxification, and alleviate muscle and joint pain, making it highly effective for issues such as constipation, liver detoxification, and muscle and joint pain. It can also relax the lower back, promote blood circulation, and reduce inflammation.Adjustable & Elastic Strap: The castor oil pack features adjustable, elastic shoulder straps that can be customized to fit your waist size. With ergonomically designed elastic shoulder straps and a soft lining, this organic castor oil pack can wrap around your waist and neck comfortably, relaxing your muscles, promoting blood circulation, and reducing inflammation.Skin-friendly Material: The organic castor oil pack is made from 100% organic cotton, which is skin-friendly, low-allergenic, and machine washable. The outer layer of the pack is made from TPU (thermoplastic polyurethane), a waterproof and oil-resistant material that helps prevent oil leakage. The inner layer is made from soft flannel fabric, which is absorbent and helps the castor oil penetrate the skin.Versatile Uses, A Must-Have for Home: Beyond alleviating muscle and joint discomfort, it can also be used to relieve menstrual pain and eye fatigue, making it an essential good for both home and travel.Instructions for Use: Before first use, it is recommended to wash the pack. Then, simply apply the castor oil to the center of the pack, adjust it to a comfortable angle, and secure it around your waist. You can wear it for about an hour and then remove it, storing it in a cool, dry place. Do not use the castor oil pack when pregnant.