english us large letters keyboard stickers non transparent black background (upper case) online-welcome 4keyboard online-welcome keyboard stickers with large letters. stickers help childred learn more and faster. perfect for use by people who have difficulties reading small letters, poor eyesight or other health conditions. large letters keyboard stickers are widely used at schools, libraries, long term care facilities as well as special need departments and organizations. stickers are made with typographical method on high-quality matt vinyl, thickness - 80mkn. you can use stickers on different keyboards on desktops, laptops and notebooks ...