The silk-processed fabric used for the surface makes sure the mouse moves smoothly. Because the bottom is composed of natural processed rubber, it can be easily adjusted to fit desktops made of various materials. Long-lasting, environmentally friendly, and anti-slip Make use of high-density, extremely fine material. It's easy to clean and waterproof. process of edge reinforcement. This is to avoid deformation, breaking, or damage from aging or pulling. sophisticated integrated multi-layer process. Extremely flexible, resistant to pulling and curling. Hard on top and soft on the bottom, only 3 mm thick. Adjust to a wide variety of uneven surfaces. Dimensions: 400x300x3 mm