ENGLISH US LARGE LETTERS BLACK-YELLOW KEYBOARD STICKERS EXELLENT FOR LOW VISION CONTRAST COLORS English US large lettering black background yellow letters keyboard stickers upper case English US large print letters. Excellent for low vision Hight quality keyboard sticker! Keyboard Stickers are laminated and made with typographical method on high-quality Matt Vinyl. Made in USA Ideal for young children, seniors with special needs, high use keyboards.