The Adesso AKB-618 keypad has a design where there are no gaps, holes, or slots so water or liquids cannot get through or seep through. The design of this keypad with gently sloped shape and wrist rest encourages the natural positioning of your hand, wrist, and forearm for maximum comfort each and every time you use it. Made with material which prevents the growth of harmful and protects against the buildup between washings. This Adesso AKB-618 is plug n play which means no driver installations.