• ADJUSTABLE SIZE--4 Sizes Available. Figure 8 Back Posture Corrector with breathable and latex-free adjustment strap.
• OVERALL CORRECTION--Shoulder Support Brace pulls the upper back to the right position and improves posture during work/life balance.
• USE ANYTIME- Convenient while at your desk/computer, driving a car, playing (some) sports, gardening, doing housework or watching TV.
• PRACTICAL- The Posture Corrector filed with lightweight neoprene, can be worn comfortably under or over clothing. 
• USE DAILY--This lightweight back support can/should be worn daily. First couple of days wear it for 10-20 minutes only, than add 10 minutes every day. Your back and shoulders will slowly adjust and you will build muscle memory for the right posture.

Description:

• Easily get perfect confident posture - start standing/sitting much straighter.
• Align your shoulders, spine and upper back.
• Improve posture & reduce slouching immediately with easily adjustable dual strap design. Feels natural, not forced.
• Lightweight padded neoprene corrector can be worn comfortably under or over clothing.
• Eliminates neck and back discomfort from sitting with rounded shoulders in front of the computer.
• Wear all day to retrain your posture- it's nearly invisible when worn under a shirt.

• S:   Chest size: 46 - 68 cm / 18 - 26 inch (Suit for weight: 20-40KG)
• M:   Chest size: 68 - 91 cm / 27 - 36 inch (Suit for weight: 40-60KG)
• L:    Chest size: 91 - 119 cm / 36 - 47 inch (Suit for weight: 60-90KG)
• XL:    Chest size: 119 - 150 cm / 47 - 59 inch (Suit for weight: 90-100KG)