"High-Quality Washable Chalkboard Eraser Reusable eraser for markers is made of soft lint material, a type of microfiber. Durable and reliable, delicate texture, soft feel, not easy to fade or wear, nice water absorption performance.Convenient to Use The microfiber surface of the dry board eraser easily removes most dry erase ink from any dry erase board, while the furry side erases chalk, no liquid cleaners are needed. The dual side design is convenient and effective to erase without damaging the writing surface.Perfect Size The size of the chalk eraser is 12 x 7 cm (4.72 x 2.75 inches). Practical and lightweight design, suitable for both adults and children.Wide application Whiteboard eraser is a practical helper on a variety of occasions, such as home, office meetings, school meetings, classrooms, game rooms, play centers, etc., can easily erase the handwriting on the whiteboard, provide convenience for people to write on dry erase board."