WAIST TRAINER TRIMMER BELT ] Made of comfortable & adjustable & stretchy polyester fabric, Flexible and durable, 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 postpartum belly abodomn corset. [ DESIGN 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. The velcro to make sure that the belt is fastened tightly around the abs. Our tummy trimmer belt has a velcro to make people of many different sizes able to wear this trimmer belt easily. A polyester belt provides more cinching ability for this trainer. Polyester fabric Fastening: Hook and Loop X7-Pro [ PROMOTES WEIGHT LOSS ] The weight loss Ab belt increased body heat help you sweat more, burn fat faster by keeping the core temperature high and aiding in removal of toxins from the body, promoting your weight loss process. [ FUNCTIONAL 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. [ TIPS OF USE ] Before you begin exercising, adjust your Waist Trimmer to desired position and wrap it comfortably around your abdomen. The Waist Trimmer can be worn under or over your clothing.It gives you the hourglass curves instantly and can be used during work, daily outfit, workout, fitness or sauna."