880 x 420 x 4 mm; fits both keyboard and mouse; extra long/XXL size; perfect for office and gaming use. The natural processed foam rubber used for the underside provides a sturdy gaming platform, anti-slip properties, and a long-lasting, high-quality design. Designed to enhance mouse glide, the super-fine, high-density silk surface offers a smooth, low-friction surface that is waterproof and easy to clean. Pixel-Perfect Accuracy is optimized for every sensor and sensitivity setting. Thousands of light-reflecting microscopic points on an advanced multi-layer surface enable incredibly accurate tracking for mice with optical or laser sensors. It's a pleasure to use on any desk thanks to its sleek, vibrant design.