Features: 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. 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. Specifications: Material: Neoprene&sponge color:black Package Included: 1 x Support Belt Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.