OMG Top Woman's Active Waist Cincher Trainer Body Girdle Corset Shaper Belly Belt Material:90% POLYESTER And 10% SPANDEX Pls Read our Size Chart B4 ur Order 100% brand new and high quality*wholesale Item Length: 9.8inch 4 Spiral steel bone, which is the fins material inside the corset. It's flexible and durable, as soft as plastic bones, can bend easily but recover quickly to origin. Hook and eye closures have 3 rows to keep tight fit as you lose inches; High elastic latex. Can be used for yoga, postpartum belly abdomen corset etc Shipping by ePacket, usually 7-15 business days. If you have any question about the items, pls let us know and we will try our best to solve it for you asap.