UPGRADED FABRIC The neoprene layer (2.0mm thickness) will increase your abdominal area temperature (Sauna Effect), it will cause you to sweat and reshape and reduce fat deposits. The inner layer has been designed to absorb the sweat so that you will not feel uncomfortable. BACK SUPPORT & POSTURE CORRECTION 3 flexible spiral steel bones provides the support in lower back, which allows the cincher to help you relieve back pain and correct your posture. It also helps to avoid the cincher from rolling up when you seat or move. EFFICIENT WAIST CINCHER Waist trimmer belt can effectively firm control flabby fat in abdomen and waist to make your body no lumps or bumps or bulks, which can make your body get back to its original shape, giving you a beautiful hourglass figure. INCREASE FAT BURNING Neoprene material helps raise our body core temperature and keep body warm, just like a sauna around your abdomen,making you sweat 3 times more than ever before and increasing calories burning for a more effective workout. It also helps burn fat in the belly, waist and back, helping you lose a few inches in a short period of time, easier and faster to achieve slimming effect. POSTPARTUM SHAPEWEAR This product strong enough to be used as a boned waist training corset. It boosts thermal activity and gently lifts underbust, you can easily control your tummy just by putting it on to take inches off your waist and create an hourglass figure and promote a quick postpartum recovery.Packing list1 x waist belt Note: 1. Due to manual measurement, please allow 1-3 cm (0.4-1.18 ") error. 2. because the different monitor settings will have a slight color change.