etomiel Used. Dry Erase Desk Mat, Waterproof Desk Pad, Erasable Writing White Board for Making Plans, Non-Slip Large Desktop Protector for Office, Home, School 31"x13" (Grey) is up for auction in Office Products. The current bid is $3.00, 83% below the $17.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.