The Posture Corrector is: Unisex – perfect for men and women Made from premium nylon - sweat and odor-resistant Exclusive Design Fully adjustable front straps to easily put on the product unlike our competitors Perfect if you suffer from posture ailments including Kyphosis, Kyphoscoliosis and winged scapula. Built for all-day wear, the discreet design isn't noticeable under clothes User instructions clavicle support brace: 1. Straighten the back and put the upper back brace shoulder brace on. Tighten all the straps so you feel no discomfort. 2. Wear the clavicle brace for 15-20 minutes for the first 3-4 days, then add 20 minutes every day 3. You may feel uncomfortable for the first 3-4 day, but later you'll get used to wearing the posture corrector therapy back brace. Attention! Don't pull the straps too tight – it may worsen blood circulation. Wear the best posture corrector directly on body or cotton clothes. Size: L: fits anyone with a chest size between 70-90cm 27 -35nch. XL: fits anyone with a chest size between 90-130cm 35 -51nch. Package: 1Pcs Back Posture Corrector5. Posture Corrector is easy to put on or remove,as well as comfortable to wear. Stays hidden under your shirt or blouse while providing you with maximum shoulder back posture support. Make poor posture a thing of the past with the posture support corrector. 4. Our back correcting device is designed with highly adjustable shoulder straps,allowing for an accurate fit regardless of size. This postural corrector comes on and off easily and in a matter of seconds,saving your time and efforts. 3. This posture corrector is made from superior quality, fabrics,guaranteed to withstand the test of time regardless of intensive use. The material allows for your skin to breathe and offers all day wearability. 2. Correct and help treating posture problems with the Posture Corrector: neck or shoulder pain,backaches,Osteoporosis,Scoliosis,Kyphosis,slumped shoulders due to bad posture and slouching. 1. Is your shoulder pain getting more intense after each workout? Is your sedentary lifestyle and desk job affecting your posture and overall health of your neck and shoulder bones? Our back brace is the perfect solution!.