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. Erasers measure 2". Great for students! Each pack includes 12 erasers. Sold as 3 packs for a total of 36 erasers.. Removes markings quickly and cleanly. Measures 2". Ideal for use on all dry erase surfaces and for standard chalkboards. Cleans with soap and water for long life. 12 per pack, sold as 3 packs, 36 erasers total. 5+ years. Grade K+