Compact Posture Corrector for Men and Women, Adjustable Upper Back Brace for Clavicle Support, Neck, Shoulder, and Back Pain Relief, Invisible Comfortable Back Straightener Product Name: Humpback Correction Belt Colour: Black Function: hunchback, correct bad posture Size: XS, S, M, L, XL Scope of application: 1. Poor shoulder posture, correction including chest 2. Acromion clavicle, sternum clavicle joints loose 3. Teen hunchback 4. Clavicle or scapula fracture Wearing steps: 1. Posture correction with leather surface outside is the front of the product, which can be worn normally 2. First wear to the left shoulder and pull the left velcro strap, press the left to repeat on the right 3. Pull the adjustment strap to make the shoulders feel stretched 4. Adjust the strap to penetrate from under the armpit, cross fasten and adjust until you feel comfortable Package Include: 1x Back Posture Corrector BeltDurable Strong :back brace uses premium velcro that lasts longer and holds stronger. Compact Comfortable Made of soft breathable fabric, this posture corrector can easily fit under a shirt and comes in 5 sizes to fit most body types. Build Confident Posture : The posture corrector reminds you to keep your shoulders back and your spine straight to help relieve pain, improve posture, and boost confidence. Back straighter: Posture corrector for women made of breathable latex-free material, ULTRA comfortable and invisible under your clothes. It is the 1 discreet upper back posture corrector for home, the office and sports. Health and improved posture: Based on Ergonomics design, posture brace helps you develop a straight back and strengthen your shoulders, neck and back, creating good posture, ameliorate the pain in the neck, shoulder, upper back and change the bad habits of slouching.