This rigid 1/4" thick keyguard allows an individual to rest their hand on or drag their hand across the keyboard without accidentally activating multiple keys. Fits the BigBlu Kinderboard, wired Kinderboard, VisionBoard 2, VisionBoard wireless and BigBlue VisionBoard. This style has function keys cut out on the keyguard. Although the layout is shown in black, the actual keyguard is clear. Keyboards sold separately.