The Belkin washable mouse from Amazon.com “employs an optical engine with 1200 dpi for high sensitivity that works on many household surfaces, including upholstery, glass, and wood.” Product page. Video after the break. Click here for first picture in gallery.
With a water-resistant design, the washable mouse can endure spills and you can hand-wash it right under a running faucet. Dirt, food, liquids, germs, bacteria–all wash right off with some soap and water.