WEIGHT LOSS BELT: Our trimmer belt is made of Neoprene,polyester,which help the waist trimmer belt to be more flexible adding for the wearer.The slimming belt does not stab or jab like some other stomach belt do.Most of you would be looking to burn fat and calories.The whole point of this waist trimmer is to wear the belt while exercising and help burn more fat in your stomach area by basically making you sweat as if you had sauna around your bellyDESIGN OF TUMMY TRIMMER BELT: Wide enough to cover the stomach area and stay put during exercise;Thick enough to produce the heat and burn the fat. Hook&loop closure to make sure that the belt is fastened tightly around the abs. Our tummy trimmer belt has a good amount of hook&loop to make people of many different sizes able to wear this trimmer belt easily.A spandex belt provides more cinching ability for this trainerFastening: Hook and LoopTUMMY TUCK & BACK SUPPORT: Our best waist trimmer belt is very stretchy in the right places and provides tons of support on your sides and back.Provides instant abdominal compression and lumbar support.The slimming waist cincher does not dig into your skin and lays flat all the way around.If you have lower back issues,our waist trainers,like a compression binder around the waist to offer lumbar support,help relieve pain and improve postureFUNCTIONAL CORSETS SHAPEWEAR: Our waist trimmer belt also smooths your post baby tummy flab and love handles,helping you look slimmer.No more love handles muffin topping over your shorts.Ideal for providing compression and support for after pregnancy,postpartum recovery or post abdominal surgery,c section,lose weight,abdominal strains and weakness,tummy trainer.There is boning stripes through out the waist cinchers that helps to keep your back in the correct position.