LARGE AND PERFECT SIZE. The 900x400x3mm (35.43x15.75x0.12 inch) size covers the area of a laptop and mouse, providing plenty of space for work or play. COMPREHENSIVE COMPILATION of common compatible with Microsoft Excel spreadsheet keyboard shortcuts. Included useful tricks and formulas, make sure you know your "sheet"! WELL CATEGORIZED - neatly organized in an easy-to-find arrangement, grouped into frequently used operations such as navigation, selection, formatting, data/functions, etc. FUNCTIONAL & CAREFUL - Features 10 desktop practice charts, perfect for a quick break when you're busy processing data! PERFECT GO-TO GUIDE for beginners and experienced Excel users who strive to become Excel-skillful at their jobs! SEAMLESS & COMFORTABLE - Tightly bound soft fabric with fray-free sewn edges. This allows for more precise and faster mouse movement, providing a seamless gaming experience. PREMIUM QUALITY PRINTED with highly durable inks, this desk mat displays compatible with sharp and clear details, ensuring it remains unfaded even after numerous cleanings.