1、Made of quality material, elastic, soft, skin-friendly, breathable, durable. 2、The back X-shape straps form uniform tension for the shoulders and back, enhanced correct effect. 3、The u-shaped neckline has an obvious gathering effect. 4、Widening both of side to fit the underarm, effectively to shape good curve. 5、According to the female body structure design, the shoulders are flattened, effectively solving the hunchback and bending over, can relieve back muscles fatigue. Features: 1.Made of quality material, elastic, soft, skin-friendly, breathable, durable. 2.The back X-shape straps form uniform tension for the shoulders and back, enhanced correct effect. 3.The u-shaped neckline has an obvious gathering effect. 4.Widening both of side to fit the underarm, effectively to shape good curve. 5.According to the female body structure design, the shoulders are flattened, effectively solving the hunchback and bending over, can relieve back muscles fatigue. Specifications: Material: Nylon + spandex Color: black Optional Size: M, L, XL Size Waist(cm/in) Recommend weight(kg) Recommend bra size M 74-80/ 29.1- 31.5 45- 52.5 32D, 34C/D,36A L 80-85/ 31.5- 33.5 52.5-60 36B/C/D,38A/B XL 85-95/ 33.5- 37.4 60-70 38C/D,40A/B/C/D,42A/B Packing List: 1*Posture Corrector Note: 1. Do not tighten too tightly during the adjustment period, make back get used to wear. 2. Increase the force slightly during retention period, keep sitting or stand up well. 3. Insist to wear 2 hours a day during adaptive phase.