Mark everyday items for easy identification by touch and make your workplace more efficient and your daily life easier and more enjoyable! Bump Dots are a great way to tactually mark appliances computer keyboards TVs and remote controls telephones copiers printers etc. Use them at home or in the office for marking a countless variety of items. Made of durable soft plastic with a rounded top these smooth raised tactile dots have a self-adhesive backing for fast easy application on most hard clean surfaces (plastic metal etc.) Adhesive will not damage the product s surface. This Mixed Bump Dots Set Includes: - 30 small round with rounded top orange-red - 0.25 in. diameter - 30 Medium round with rounded top orange-red - 0.3125 in. (5/16 in.) diameter - 20 Large round with rounded top orange - 0.44 in. (approx. 7/16 in.) diameter Note: Dots come mounted on cards (one card for each size) for easier use tracking and storage).