This product is a whiteboard eraser, adoption of wear resistant and material. It can effectively clean the chalk on the blackboard. Suitable for teachers and students use. Easy to operate and use, it can bring a good experience. The good choice for you. Features -Color:Blue -Material:EVA, lint and magnet -Size:7.40X4.50X2.00cm/2.91X1.77X0.79in - The product is suitable for homes, offices, training institutions and other places. - It is simple in design, but very practical in use, which brings great convenience to you. - Made of lint, magnet and EVA materials, and practical for use. - Reduce dust and avoid harm to the respiratory tract. It can give you a great usage experience. - Lightweight, it cleans the surface and will not hurt the whiteboard. Portable and washable feature make it more convenient to cleaning. Package list: 16 x Whiteboard Erasers