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
Logitech K310 Washable Keyboard Review- Just Soak it - YouTube
Logitech K310 USB Keyboard Washable Waterproof Wired Dark Gray & White のeBay公認海外通販|セカイモン