Large Print Stickers from DataCal Don't strain your eyes looking for the right keys again. Apply these Large Print Labels on the keys of your PC or laptop computer and see letters magnified 400-percent bigger than the standard size letters. They're great for replacing worn letters, and an ideal tool for those with low vision. Easy to apply using the self-adhesive backing - just peel and stick. Contains one complete set, including functional keys, directional arrows, etc. Color: Black on White.