This is a multi-pack package of Mixed Bump Dots. There are 80 Bump Dots per package of different sizes and colors, 10 bump dots per style, 8 styles. These can be used for a variety of purposes to help the blind and low vision individuals. they can be placed on keyboards, telephone buttons, switches, tables, and a variety of other uses. Multiple colors in the package give you the ability to create maximum contrast the the background.