THG High Resilient Memory Foam Purple Seat Back Pain Support Lumbar Lower Ache Cushion Pillow Pad Car Office Chair Package include: A piece of Memory Foam Seat Chair Lumbar Back Support Cushion Material: High resilient and high-density memory foam Purple cover with zipper & elasticated belt Excellent for improving your posture , reduce stress to the back and alleviates lower back pain The contoured shape ensures an anatomically correct posture for long term benefits