Features1Elastic material, breathable and comfortable, lightweight and beautiful posture correction. 2With a unique cross?width strap design, this bra will straighten your breasts. 3The transverse extension of the back can effectively straighten the breast, healthy and safe 4Hook & loop adhesive, easy to control, soft material, wonderful, breathable. 5Correct hunchback, collect auxiliary breast; Improve chest sagging, spinal curvature and other problems.SpecificationCondition: 100% Brand NewItem Type: Posture CorrectorMaterial: PolyamideInstructions for use:1. Spread your arms, put on the corrective belt, and adjust the shoulder belt to an appropriate position.2. Pull down and adjust the hook & loop tightness3. Pull the end of the double Y cross lead band to the abdomen, and then bond it after proper adjustment of tensionProduct Features:1. Reinforced cross support on the back, to correct the hunchback and chest of cats2. Breastplate underwear design can be matched and liked by yourself3. Hook & loop is stick and comfortable to handle by yourself4. Silky material, wonderful, breathable and refreshingSizeLower BustBra SizeWeight S63-70cm / 24.8-27.6in-3247.5kgM70-76cm / 27.6-29.9in32-3652.5kgL76-83cm / 29.9-32.7in34-3860kgXL83-90cm / 32.7-35.4in38-4265kgPackage List1 x Posture Corrector