Suitable for any chair: Fits most car seats, can be used as desk, sciatica relief, gaming chair cushion. Size 17" x 14" x 2", portable for anytime use.Designed for sedentary people: Suitable for people who sit for long hours, best for adults 150 - 220 lbs, brings comfortable sitting for better concentration.Certified Safe Materials: Inner core of high-density comfort memory foam, non-slip bottom, removable breathable black mesh cloth cover. Professionally safety tested, reduces sedentary damage while offering comfort.Pain Relief: Ergonomic W shape design provides support and comfort, reduces pressure on lower back, waist and hips, improves sitting posture.Memory Foam Seat Cushion: Durable quality memory foam for superior comfort, slow rebounding and restores shape after each use.