Material: Plastic Size: about 5.5*2.5*1cm/pcs Box size: about 14*11.5*3cm Weight: about 22g/pcs Box weight: about 682g 1、Eraser set: You will receive a total of 30 pcs Rainbow 2B erasers, avoid frequent purchases due to constant loss, and can also share with friends and classmates to build friendships. The perfect gift for students and kids.  2、30 Erasers: Sufficient quantity can be used for a long time. It is packed in a beautiful box that is easy to carry and not easy to lose.  3、High-quality rubber: Made of high-quality rubber, with high toughness and smoothness, soft, easy to erase, not easy to stick to paper. Therefore, it is not easy to damage the paper, so you can easily remove and remove the eraser residue.  4、Individual packaging: The size of the eraser is 5*5*1cm. Each eraser comes in individual cellophane packaging with tear-resistant strips that allow you to tear off parts of the cellophane if you want. Cellophane packaging protects the eraser from dust.  5、Clean and erasing writing: Pencil and colored pencil writing can be easily removed, allowing you to erase without damaging the fine paper and leaving marks on the paper. 6、Widely used: Plastic erasers are great for teachers and classrooms, sketching, painting, art, apartments and offices.