Descriptions: 100% brand new and high quality. Unique coating protects from abrasion, long-term durability. Use adhesive with firmly, easy to apply and remove and no residue Applicable Keyboard:Common to all 10-inch or more laptops, desktops keyboard. The principle of luminous film illumination is to absorb light first to emit light. Therefore, after pasting, the keyboard must absorb light for about 20 minutes in the place with daylight or light. If it is kept in a dark place, it will not emit light. Specifications: Item type: Fluorescent Keyboard Sticker Material: PVC. Letters Types: Arabic, Russian, English, Italian, Spanish, French. Size: about 180x65mm  Single block: about 13x11mm Package includes: 1* Keyboard Sticker Notes:  Transition: 1cm=10mm=0.39inch  1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!  2. Please allow 1-3cm measuring deviation due to manual measurement.