Features: 
<br />  100% brand new and high quality 
<br />  The Posture Aid Support is designed to help pull the shoulders back and straighten the Spine 
<br />  Retractable elastic strap 
<br />  It makes you a elegant beauty no matter you are walking or standing 
<br />  According to your own width of your shoulder, adjust the velcro in the back to the tightness most suitable to yourself 
<br />  Size: 16.7 * 12.7cm (For 4-12 years old) 
<br />  Color: We have several colors, we don't offer color choose, we will randomly send. 
<br />Package Content: 
<br />  1 x Back Belt