Lelinta Latex Waist Cincher Weight Loss Training Corset Fat Burner Workout Girdle Hook & Eye closure Our brand "Lelinta"has been registered in US by USPTO.It is protected by laws in US.Please do not attempt to infringe our right otherwise legal action will be taken.Trademark NO: 86741883 Material:90% POLYESTER And 10% SPANDEX 4 Spiral steel bone, which is the fins material inside the corset. It's flexible and durable,can bend easily but recover quickly to origin. High elastic free support,helps with weight loss,reduces waist size,helps with posture NOTE: We are not standard USA size, don't use amazon size chart. Please Careful Reading Our Size Chart Shipping by Epacket,Generally delivery time is about 7-15 business days.