Z Zicome 4 Pack Magnetic White Board Eraser for Home, School and Office - 4 X 2.3 X 0.8 Inch Comes in 4 bright colorful magnetic erasers, Yellow, Blue, Green, Red Each whiteboard eraser measures 4 x 2.3 x 0.8 Inches, perfect for cleaning dry erase boards Strong magnet makes it handy for attaching to magnetic white board Durable and long lasting Great use in the school, office, home for teachers, students, kids