DOUBLE LAYERS TUMMY CONTROL – Zip Front Closure + Adjustable Waistband with velcro closure, the strong velcro provide full compression and control which flattens the stomach. It will help you increase your core temperature during exercise and burns more fat in your abdomen. Also helps straighten and support your back, correct your posture. SCIENTIFIC DESIGN – The 3 steel bones will allow you to move freely with no risk of rolling it down. Double Adjustable Trainer belt for different level of compression. Front zipper design of this waist trainer trimmer make it easy on & off. SWEAT 3 TIMES MORE THAN USUAL- 2 mm single-layer neoprene fabric compression garment, helping you eliminate toxins, speed-up the calorie burning process, and keeping your muscles warm and supported, preventing post-workout fatigue and injuries. APPLICATION – This Waist trainer corset belt helps to boost thermo activity and gently lifts underbust, and delivers tummy control immediately after putting it on. Waist trimmers belt are ideal as daily weight loss waist training corsets, workout/ gym/ fitness/ running/ sauna bands or even postpartum support girdles.