Its Universals seamlessly adapt to any type of chair, helping to bend forward and back fatigue and increase productivity Adjust the lumbar and spine with this ergonomic gel posture corrector cushion and reduce the back strap while sitting for long periods of time Use it on your office chair, car seat, or study desk to maintain proper posture while working, gaming, or attending virtual class Silicone with breathable ventilation pores, provides a soft and firm contour to naturally promote sitting habits For students, office professionals and drivers who want comfort during studying, working days or long commute