♥【High-density Memory Foam Cushion Set】: The Memory Foam Seat Cushion for Office Chair is 100% pure with no additives and is made of the exact same material.Can be used to improve bad posture and relieve buttock and back pain while driving or sitting for long periods. ♥【Adjustable Strap】: The Lumbar Support Pillow for Office Chair with Adjustable Strap and the design is universal and can be adjusted as needed to make the backrest properly fit any type of seat. Use it on office chairs, armchairs, sofas, car seats, wheelchairs, lounge chairs, etc. ♥【Effectively Relieve Back and Hip Pain】: The Car Seat Cushion with Back Support for Wheel Chair perfectly relieves a large area of pain in the back and hips when sedentary, including prolapse of intervertebral discs and body aches caused by sedentary.