WAIST TRAINER TRAINING TRIMMER BELT: 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 hook&loop for sizing accuracy mesh backing for breathability. Great for postpartum belly corset.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 belly