Size Chart When payment have confirmed ,we will send it within 24 hours in busine day Good fabric and quality: comfortable & adjustable & stretchy fabric: 90% polyester 5% cotton +5% elastan, Neoprene Stretchy Comfortable Finest Fabric, which means it is easy to clean, fits to your body, and will not pitch or irritate your skin. double-adjustment velcro adjustment for sizing accuracy mesh backing for breathability Great for back iues: 2 pieces steel bone and 5 pieces plastic bone Our best waist trimmer belt is very stretchy in the right places and provides tons of support on your sides and back. If you have lower back iues,our waist trainers,like a compreion binder around the waist to offer lumbar support,help relieve pain and improve posture Lets exercise with your family. 1. Increases Sweating:Helps you sweat and burn inches off your waist. 2. Corrects posture and helps to eliminate lower back pain,protects and prevents injury. 3. This item has an adjustable sweat band to fit and ideal for the gym or other fitne activities. 4. Reduces and Shapes Your Waistline, Flattens Abdomen: Reduces your waist 3~5inches. 5.Suitable for sports, cycling and weight lifting. Burn your stomach fat faster and maximize calorie burn during exercise with the waist trimmer tummy slimming belt. AICONL we are a long-term focus on women body slim products company,we have a wealth of experience,we can provide customized product for inp>