These Stickers are suitable for absolutely ANY Laptop Desktop or Notebook. These Stickers guarantee complete absence of glare under different angles of lighting. The Clear Transparent background makes the stickers invisible and allows the existing characters to show through. Under each sticker is the corresponding English Letter showing you exactly where to place each letter. Each Sticker is easy to apply and will stay on forever. Each set of Stickers are made from High Quality transparent matt vinyl. The transparency and matt hue of the stickers make them suitable for any keyboard. The thickness of the stickers are 80 mkn (typographical method).