Imilan Sport Latex Waist Training Cincher 25pcs Spiral Steel Boned Corsets Imilan owns its own trademarks. The package contains Imilan Tag. Size run small, please choose one size larger than usual before ordering. Please use our size guide located on the left of the product image, do not use the Amazon size guide. Shipping by ePacket, usually 7-15 business days. This corset is supported by 4 spiral steel bones, which is the fins material inside the corset. It's flexble and durable, as soft as plastice bones, can bend easily but recover quickly to origin. Material: High elastic latex. Can be used for yoga, postpartum belly abdomen corset etc.