Hub Labels is the leading producer of printed custom post-it notes, offering a up to 4-color process on canary yellow, white or other custom color, a pattern adhesive on one or two sides. There are many shapes and sizes available. Hub Labels uses an ultra removable adhesive that is qualified by the US Postal Service to print post-it notes for the exterior side of an envelope. Learn the variety of uses for customized post-it notes and how they can improve your sales.