Product Size There are two sizes to choose from, a material with excellent elasticity and flexibility, suitable for most girls, women and slim men. L-unstretched width 26 cm/10.2 inches, recommended weight is 99-143 pounds. XL-Unstretched width 30 cm/11.8 inches, recommended weight is 143-187 pounds. Features 1. This warm belt can help improve blood circulation to vital organs and is specially designed for people who are afraid of cold and keep warm in cold weather. It also provides extra support for weak, injured and arthritic backs. Helps keep the affected area warm after injury and during recovery. 2. Made of high-quality wool and cashmere fabric, skin-friendly, super soft and comfortable, comfortable and breathable, perfect elasticity, warmth, keep your stomach, back and abdomen warm in cold weather. 3. It is very suitable for wearing under clothes to keep warm or relieve back pain. Wear it at home to keep warm and relax, wear it in bed for a good night's sleep, wear it in outdoor activities to prevent chills, wear it anywhere to add extra support to the abdomen and back to relieve pain, etc.The best gift --- It provides strong support and warmth for your abdomen and back, helps flatten your abdomen and waist, and makes you look slim and slender. A great birthday/Christmas/New Year/holiday gift, suitable for people who sit/stand for a long time in the office, have a cold stomach, backache, and work outdoors in winter. High-quality material---Made of high-quality wool and cashmere fabric, skin-friendly, super soft and comfortable, breathable, perfect elasticity, warmth, keep your stomach, back, and abdomen warm in cold weather. Easy to use, it can be used anytime and anywhere, covering a large area and not easy to slip off. Multifunctional --- This warm belt can effectively improve blood circulation and promote metabolism. Designed for people who are afraid of cold, keep warm in cold weather. It also provides extra support for weak, injured and arthritic backs. Helps keep the affected area warm after injury and during recovery. Help you resume daily activities faster. Widely Used In Various Occasions --- It is very suitable for wearing in clothes to keep warm or relieve back pain. Wear it at home to keep warm and relax, wear it in bed for a good night's sleep, wear it in outdoor activities to prevent chills, wear it anywhere to add extra support to the abdomen and back to relieve pain, etc. Product Size --- There are two sizes to choose from, the material with excellent elasticity and flexibility, suitable for most girls, women and slim men. L-unstretched width 26 cm/10.2 inches, recommended weight is 99-143 pounds. XL-Unstretched width 30 cm/11.8 inches, recommended weight is 143-187 pounds.