Cuitan Universal Soft Crystal Cleaning Gel / Dust Remover Cleaner for Keyboards (Color: Shipped Randomly), Reusable Keyboards Cleaner for Destops / Laptops / Computers (Only 1 Piece) Dust and dirt in gaps or on surfaces will be absorbed by the cleaner. Reusable, can be used until the color becomes dark. Convenient and easy to use, just put the cleaner on your keyboard for a while and remove gently as a whole. This cleaner may leave small amounts of residue when used on your keyboard. This will not cause any potential issues. A pipe cleaner or cotton bud can be used to remove the residue. Size: 12.5 x 17cm; Color: Shipped randomly. (Only 1 Piece)