Braille and Large Print English Letters Computer Keyboard Stickers - Overlays - Labels for the Blind & Visually Impaired. Yellow Stickers with Black Letters Designed for the blind and visually impaired, including those with Macular Degeneration, this easy stick label kit is a convenient and affordable way to adapt any computer keyboard to suit your vision condition. The stickers provide Braille characters as well as easy-to-see big print letters displayed in high contrast black on a yellow background. Each sticker is die-cut to fit the key tops of both desktop and notebook keyboards and have highly aggressive adhesive that creates a durable bond with the keycaps.