I bought this on Amazon this year and haven't used it since opening the package. It includes the main unit and the instruction manual only. I will ship it in a recycled envelope, etc. Brand: Style Size: S Product Use: Posture correction, hunchback Application: Back Target Age: Adult Color: Black Supports posture: Opens the chest by pressing on the thoracic spine, which is essential for posture, and creates an S-shaped line in the spine. Prevents underarm constriction: The underarm belt shifts forward, reducing excessive constriction. Adjusts balance: The crossing section slides to support even balance. Comfortable fit with stretch chevron pile: Employs a chevron pile fabric with both cushioning and elasticity. Fits all body types. Smooth fit construction to reduce thickness and bulk: By tailoring from a single piece of fabric, a simple shape with reduced thickness is achieved. It is discreet even when worn as an undergarment and blends naturally into your lifestyle. Chevron pile: Employs a chevron pile fabric with both cushioning and elasticity. Fits all body types.