uxcell Magnetic Board Whiteboard Blackboard Cleaner Dry Marker Eraser 12 Pcs 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