Purple Back Cushion featuring the signature Purple Grid technology for ergonomic lumbar support. Designed with a breathable mesh back and a soft, durable cover, this cushion helps maintain proper posture and provides pressure-relieving comfort during long periods of sitting. The compact, portable design makes it ideal for office chairs, car seats, or home use. The removable cover is machine washable for easy maintenance. Please note that this unit does not include the attachment straps.