This keyboard is made of high-end totally transparent acrylic. With blue EL lighting and specially selected fully clear keys, the keyboard will light up for working in the dark. There is an EL On / Off switch conveniently located on the top of the keyboard, you can choose to have it on or off for day and night. The keyboard comes with double sized BACK SPACE key and large sized ENTER key. With the philosophy of simplicity but functionality in mind, minimum multimedia keys, and necessary letter and number keys have been carefully selected in order to keep the keyboard as simple as possible for fast, easy and enjoyable typing.