Stand Up Str8 Posture Corrector - Middle Back Exerciser, Jr - for Children and Petite Adults SLOWLY REVERSES BAD POSTURE ASSOCIATED WITH SMART PHONE, iPad, and computer use in just 2 minutes every other day with consistent use. CHILDREN WILL BE TALLER AND MORE SELF-ASSURED as a result of better posture. Eliminates back and neck aches and tension headaches associated with slouching shoulders, forward head and overall poor posture. NOT A BRACE but a portable, easy-to-use, posture-improving exercise device designed to strengthen the muscles in between the shoulder blades allowing proper posture to be obtained without the use of a brace. WITH STRONG MIDDLE BACK MUSCLES the shoulder blades properly align themselves next to the rib cage. ONE SIZE FITS CHILDREN AND PETITE ADULTS with a shoulder measurement of 39" or less. Black. Made in the U.S.A. Invented by a personal trainer with over 24 years experience and certified by American College of Sports Medicine and Professional Fitness Instructor Training.