These blackboard erasers are made of wood, felt material for durability and use, capable of erasing markers on blackboard without leaving traces or dry-erase residue behind. Small and lightweight, easy to store, easy to wipe. And this blackboard eraser is school, classroom, or office use. Features -Color:Multi -Material:Wood, felt -Size:6.00X4.50X2.50cm/2.36X1.77X0.98in -These blackboard erasers are widely used in schools, homes, offices, office buildings, training institutions, etc. -Easily hold them in hands, and they are small enough and light in weight, very practical. -The simple but functional design can meet your daily use and can be replaced at school or office. -This blackboard eraser is simple in design, but very practical in use, which brings great convenience to you. -Selected wood, felt material, which can be safely and durably used for a long time. Package list: 3 x erasers