Posture Correction & Pain Relief --- Long-Term Incorrect Sitting Position And Little Movement Cause Various Back, Neck Or Shoulder Problems, A Straight Holder Effectively Helps You With Back Pain, Poor Posture Or Hunched Back. Regularly Use Straight Correction Tape, Improve Hunchback, Left And Right Shoulder Problem, Make You More Confident And Attractive. Comfortable Material --- Shenmate Posture Correction Back Made Of Sbr Fabric (Neoprene) Is A Light, Soft, Porous, Breathable Material For Optimum Comfort. The Back Strap Does Not Cause Skin Irritation Or Perspiration And It Keeps Your Skin Healthy. Improve Posture Anytime And Anywhere --- Posture Correction Shoulder Strap For At Home, In The Office Or In Your Free Time. You Can Also Exercise In Your Own Posture While Exercising. And The Subtle Design Makes It Easy To Hide The Posture Trainer Under Your Clothing And The Back Stabilizer Is Subtle And Does Not Show Up Under Clothing. Easy To Use And Freely Adjustable --- The Back Straight Holder Is For Chest Sizes Between 70Cm - 114Cm. By Using The Shoulder Straps For Adjustment, You Can Easily Use The Backrest Yourself Without Anyone Helping You To Put It On Or Take It Off. Suitable For Women, Men & Teenagers, But It Is Not Suitable For The Person Are Thin And Slim Or Narrow Children. Perfect Set --- 1 * Back Support +2 * Shoulder Pad +2 * Knee Pad Shoulder Pad Can Protect Your Shoulders, We Also Gift You Knee Pad That You Can Use During Exercise Or In The Cold. If You Are Not 100% Satisfied With Your Order, Please Feel Free To Contact Us To Find A Solution.