Greaphant Comfortable Cushion Memory Brand new, unopened. Color: Black, sides are gray. Cover: Mesh finish. Size: 43 x 43 x 12cm Suitable weight: Under 68kg. Due to the memory foam material, it may not be suitable for larger individuals depending on the hardness of the chair. Cushioning: Due to the memory foam material, there is less bounce compared to high-resilience materials, gently sinking and fitting your body. It's not too soft or too hard, just the right amount of softness. Features: Ergonomically designed for a refined look. When you sit, it guides your posture from the pelvis to the spine, preventing fatigue. Effective for sciatica, coccyx pain, and lower back pain! High-density memory foam, ergonomic design, fatigue-resistant, seat cushion, posture improvement, dark gray, washable cover.