Back To School: Useful Stationery To School Students 12 Pcs Magnetic Board Plastic Whiteboard Blackboard Cleaner Dry Marker Eraser Description: This is one amazing whiteboard eraser.The size is just right for your hand. You feel comfortable when holding it. Velvet material can easily erase marker stain on the whiteboard. With a magnet on the back, you can fix it on the whiteboard. Specification: Product Name: Whiteboard Eraser Material: Velvet, Sponge, Plastic Main Color : Blue, Black Size : 10.5 x 4.5x 2.5cm/4" x 1.8" x 1" (L*W*T) Total Weight : 258g Package Content : 12 x Whiteboard Eraser