Features:
Washable and magnetic chalkboard erasers: Chalkboard eraser can be easily cleaned and reused after long-term use,wash with soap and water.with soft magnetic,can stick to metal chalkboard and surfaces easily.

Multiple applications: Suitable for office, school, home,etc.The blackboard eraser can wipe the writing of various tools(dry erase markers,paint brush and pens),compatible with white and black boards,dry erase sheets,melamine,wallpaper,stainless steel,porcelain and glass surfaces,and great help to managers,teachers, students,adults.

Specifications:
Size: 5 x 5 cm/ 1.97 x 1.97 inch
Thickness: 0.79 inch/ 2 cm
Color: blue / yellow / green
Material: foam and felt
Quantity: 30 pieces

Package includes:
10 x Blue magnetic whiteboard eraser
10 x yellow magnetic whiteboard eraser
10 x green magnetic whiteboard eraser

Note:
Sometimes in order to effectively clean the whiteboard, you need to press the eraser with a little force.