Joansam Women's Zipper and Hooks Latex Waist Trainer Corset Body Shapewear Core: 100% natural latex, Interior Lining: 96% cotton/4% spandex; Steel Bone,Made of smooth latex fabric Cincher must feel very tight for it to work Zipper and 3 hook and eyes in front Our corsets run smaller than regular sizing, so please view our Size Chart carefully. Corset sizing works different from other clothing. Double needle on metal hook,more stable and durable