BackJoy SitSmart Posture Core Lux UpRight Ergonomic Back Seating Correction BlackDescriptionSpecificationsShipping BackJoy is an effective seating solution specially designed to help relieve and prevent back complaints. BackJoy creates an active sitting position and corrects the sitting position, making sitting upright easy. SitSmart Core Traction has a premium fabric covering with anti slip grip areas for all day comfort and stability, along with extra cushioning. SitSmart Core Traction positions your body to naturally relieve