Multi-purpose eraser removes markings quickly and cleanly. Ideal for use on all dry erase surfaces and for standard chalkboards. Cleans with soap and water for long life. Measures 5 x 2 x 1 . Each pack includes 12 erasers. 60 years of commitment and still going strong! Charles Leonard is a second generation family business and we understand that our success is due in large part to the extended nature of that family. We offer over 1 000 products that are used daily in offices schools and homes. When you clip staple pin punch draw glue color and create we are there.