Upper Clavicle Support Invisible Device Posture Corrector Under Clothes How does grin health GHPC06 posture corrector benefit you? –Keeping bones and muscles aligned properly –Reducing mental and physical fatigue and stress, –Preventing backache -Helps with positive physical appearance –Prevents the spine from becoming fixed in abnormal positions How to use posture brace? –It is better to wear posture corrector in the first half of the day, when the muscle mass is in a relaxed state. During the first week please use your posture corrector for 15-20 min, after you can add 20 min every day. –You may feel uncomfortable for the first 3-4 days, but later you get use to wear the posture corrector. –It is recommended to wear back brace when people are engaged in static position (e.g. work at the computer). Do not perform physical exercises while wearing your back brace. –It is not recommended to sleep in the corrector. Please note, that wearing a posture corrector is only a preventive measure and it should not be used for medical treatment purposes. ONE SIZE FITS ALL- ( Fits Chest Size 34" - 44").