Adjustable Back Shoulder Posture Corrector 

• Package Include:
  1Piece * Posture Corrector.
• Size Chart: 
  S ---Chest circumference: 46-68cm/18.1-26.7inch
  
  M ---Chest circumference: 68-91cm/26.7-35.8inch
  
  L ---Chest circumference: 91-119cm/35.8-46.8inch
  
  XL ---Chest circumference: 119-140cm/46.8-55inch
  
  2XL ---Chest circumference: 140-155cm/55-61inch
  
  3XL ---Chest circumference: 155-170cm/61-66.9inch.
• Multiple colors available.
• You can use it not only when you are sitting on computer or driving a car, but also when you are playing sports or gardening. What is more, you can use it at home when you are doing housework, or watching TV.
• This product is Free Just Pay Shipping.
• 1000 Left.