[QUICK AND EASY]: Just swipe the eraser with a little pressure to efficiently clean your white board, calendar, lapboard, memo pads or from many other surfaces including melamine, porcelain, and glass. [WIDE APPLICATIONS]: Suitable for home, office, school, dormitory, game room, play centers etc. Great help to managers, teachers, students and kids. Perfect for presentation, drawing, education and score counting. [WASHABLE CHALKBOARD ERASERS]: These magnetic erasers are easy to be used and cleaned up, just need a little soap and water, washed by hand quickly and easily, air dry. [MATERIAL AND SIZE]: made of high quality EVA, high density felt bottom. Eco friendly, non-toxic, no smell, strong adsorbability. size: 2 x 2 x 0.75 inches,Adorable and functional! It is great to students and children in classroom, home and office. [WHAT YOU GET]: 24 x square whiteboard erasers; lightweight and durable, can serve you a long time