5 Pcs Green Plastic Housing Velvet Blackboard Eraser Chalk Cleaner Product Name : Blackboard Eraser;Material : Plastic, Velvet, Foam Color : Green, Red, Yellow, Blue Size : 12 x 4.7 x 3.5cm / 4.7"x 1.9"x 1.4"(L*W*H) Weight : 111g Poackage Content : 5 x Blackboard Eraser