CafePress - Math Teachers Have Problems - Non-slip Rubber Mousepad, Gaming Mouse Pad This quality non-slip mousepad measures 9.25"x7.75" and features rubber backing to keep your mousepad from sliding. The durable top surface on this mouse pad is professionally printed with the unique or funny design, and is optical-friendly for improved mouse tracking as you use it. Use this as a gaming pad, or simply to protect your desktop from scratches. Treat yourself, or make our mousepads a great gift for bosses or co-workers! Machine wash this mousepad on cold and gentle cycle for easy care, dry flat. IMPORTED. Buy official CafePress merchandise with confidence, as we offer 100% money back guarantee and easy returns/exchanges. AVOID COUNTERFEIT SELLERS by making sure you select "Ships from and sold by CafePress" before committing to buy.