Made of comfortable & adjustable & stretchy fabric, Flexible and durable, 100% Latex-Free 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.This waist trainer belt shapewear is constructed with Flex-boning technology to work like a corset or waist cincher, with adjustable velcro closure waistband to enhance the compression around your tummy.Wide enough to cover the stomach area and stay put during exercise;Thick enough to produce the heat and burn the fat,move the cellulite and expel toxins.