New Logitech K310 Clean/Washable USB Corded Keyboard | eBay
Worry not to worry even if you buy a drink with a dauba, I washed the log "Washable Keyboard K310 Logitech" to wash the dirt actually washed - GIGAZINE
Amazon.co.jp: Logitech Washable Keyboard K310 for Windows PCs – Black [parallel import goods] [並行輸入品] : Computers