Bullet point: Dimension: 880x420x4mm- Fits both keyboard and mouse (Extra Long/XXL size), ideal for gaming and office use Underside is made of natural processed foam rubber, which adapts to different surface materials and provides a solid gaming platform, anti-slip, high-quality long-life design Engineered to improve mouse glide, Super-fine high-density silk surface provides minimal friction and a ultra smooth surface texture, waterproof and easy to clean Pixel-Perfect Accuracy optimized for all sensitivity settings and sensors. Advanced multi-layer surface provides thousands of light reflecting microscopic points for ultra-precise tracking for both optical or laser sensor equipped mice Slick looking Vibrant Design makes it a joy using it on any desk. Features: 1. The surface is made of silk processed cloth ensure that mouse moves very smoothly, 2. The bottom is made of natural processed rubber,this gives flexibility to adapt to desktops from different materials.Anti slippery, environment friendly and last long. 3. Waterproof and easy to clean. 4. Reinforcement process on the edge.This is to prevent from deformation, broken or damage due to pulling or aging. 5. Advanced multi-layer integrated process.High flexibility, anti curling and pulling. 6. Only 4mm thick, hard on top and soft at the bottom.Adapt to all different kinds of irregular surfaces.