Compatible for Dell Latitude E6420 E6320 E5430 E6330 Anti bacteria ensure your fingers do not get germs from keyboard Nano-silver material can kill up to 650 types of bacteria Durable for millions of typing and protects your keyboard Waterproof and dustproof removable and washable Nano-silver keyboard product is designed for the high-end market.The special protector not only prolongs the lifespan of your keyboard but also protects your health. With this nano-silver keyboard cover you can have the most hygenic laptop keyboard. The nano-silver inhibits multiplication and growth of bacteria and fungus which causes infection itchiness and sores. This keyboard cover is only compatible for Dell: --- Latitude E6420 E6320 E5430 E6330E6440 Special Note: The keyboard cover ONLY fits US version not EU version. Double check your Enter key to make sure it is the same rectangle as other keys. If your Enter key looks like 7 shape (EU version) this cover can NOT fit.