Features: Adjustable posture support fits from 35" to 48" in chest circumference Waterproof breathable material Hypoallergenic: doesn't cause skin irritation Invisible under clothes thanks to thin material User instructions: 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. Easy to adjust and wear: Universal size, easy to wear, without any help, you can take off and wear a pose corrector by yourself Brand: JIAYUYUARPY Size: 1 Count (Pack of 1) Specific uses for product: Posture Correction Use for: Back Age range (description): Adult ?About Our Services? Welcome to our store, may you have a pleasant shopping experience! We are dedicated to creating products that provide our Customers Best Service, shop with confidence. If you encounter any problems during the purchase, you can always consult.JIAYUYUARPY will serve you carefully.Suitable For Many Occasions - You can wear a posture correction band under your clothes for an invisible effect. You can wear it anytime, anywhere like many occasions, such as work, home, leisure, driving, walking slight exercise. Easy to use - The back corrector is good posture corrector for women men that you can hide it under clothes. It is unnoticeable, easy to wear and ideal to use everywhere. While you open your shoulders,your posture will be more upright. Posture Brace - The posture brace helps to get rid of back, shoulder, neck pain and lower back pain from strains, sprains and muscle spasms. The posture corrector bra can also effectively support your chest, making your body curve more prominent, looking more beautiful, more confident in your workplace. Material - Our back posture corrector is made of lightweight, flexible and breathable material. The shoulder straps are made of highly breathable material and designed with ventilation holes to ensure a cool wearing. Posture Corrector For Women Men - Our posture corrector ensure toughness and stability. Wearing our back posture corrector will correct your bad posture in time. A quick way to stop slouching and hunching when sitting with rounded shoulders.