MAXIMIZE FIRM CONTROL & ADJUSTABLE STRAPS: the zipper corset is equipped with 3 rows of hook and eye closure & 2 adjustable shoulder straps, to ensure you could fit it to the most extent.Hook on the top design makes Front Zip easy on&off. A high-quality zipper is easy to pull from the bottom and allows you to hide it and gives you a slimmer and cleaner look. Material: Neoprene Material Composition: neoprene Closure: Hook and Eye, Zipper EFFICIENT WAIST CINCHER: our body shaper helps postpartum recovery all process, reduce swelling, tighten skin, control tummy & back, relieve postnatal pain, ease transition of uterus and shrink it down to normal size, make your maternity body get back to its original shape. MULTIFUNCTIONAL WAIST TRAINER: the shapewear can flatten the abdomen, reduce the waistline, support the back, postpartum recovery, improve posture, relieve waist pain, protect the spine, expedite fat burn while exercise, combined with a healthy lean diet, and drink plenty of water for weight loss. PREMIUM MATERIAL: This waist trainer vest is made of top-quality neoprene and nylon, which is smooth, healthy, moisture-wicking, helps you burn more calories, for a healthy prompt weight loss effect. The corset waist trainer is also elastic and stretchable, flexible and breathable, and comfortable to wear. NOTE: If you are allergic to neoprene, we advise you not to wear this neoprene zipper waist trainer.