Ergonomic Cloud-Shaped Design: The special cloud-shaped design fits perfectly around your wrist, ensuring proper alignment of your wrist and reducing stress on your elbows and shoulders. The concave and convex surface design keeps the wrist comfortable and dry. This cute, stylish and ergonomic keyboard rest is the perfect companion for work and study High-Density Premium Memory Foam: The keyboard wrist rest is made of 63D high-density premium memory foam, which has the characteristics of super slow bounce and excellent support. Slow bounce time up to 5-8 seconds, and it can bear the wrist pressure evenly, which is extremely comfortable and durable