One Size Fits ALL, Adjustable: 157.4in x 4.9in(Product's L x W). it will snatch your waist freely, and you can adjust the tightness as you want. It is non-slip and smoothing staying in place no matter what you do. Made with Super Stretch Fabric: After 10000 elastic tests, the products are elastic and stable, not easy to deform, and durable. Helps to smooth out all our excess fat, and also prevent bulging. Upgrade Design: Compared to other waist belts, ours has 6 pieces of segmented sticker, which can be adjusted according to their own needs. It's seamless and very invisible, shaper your waist in a perfect curve. Versatile: This waist trainer belt helps flatten your abdomen, reduce waistline, support your back, improve posture, and helps with postpartum recovery. you can wear it in gyms, offices, and yoga studios. and nobody will notice you wear a seamless waist trainer. USE: No matter aerobics, gym, running, yoga, hiking, walking dogs, postpartum recovery, weddings, office. Protecting core muscle groups and reduce the risk of injury during sports. when you wear the waist slimmer, you can get about a 4-inch waist line reduction instantly, make your body curve more attractive.