Product Description 36 Pack Magnetic Whiteboard Eraser Dry Cleaner for School Office Features 1.The magnetic whiteboard dry erasers can be applied in classrooms as daily necessary. 2.Erasers with soft magnetic can stick to metal surfaces like metal whiteboard chalkboard and so on. Specifications Quantity: 36 pieces Material: Foam and Felt Weight: 270g Individual Size: 7.5 x 4.5 x 2 cm/2.95 x 1.77 x 0.79 inch Color: Red Yellow Blue Green Package Size: 22 x 18 x 5.5 cm/8.66 x 7.09 x 2.17 inch Package Includes: 9 x Red Magnetic Whiteboard Dry Erasers 9 x Yellow Magnetic Whiteboard Dry Erasers 9 x Blue Magnetic Whiteboard Dry Erasers 9 x Green Magnetic Whiteboard Dry Erasers Sweet Note 1.It may exist some extra felt on the surface when you receive please blow them with blower or fan. 2.The erasers are hand-washable but not allow to wash by machine