uxcell Blackboard Chalkboard Whiteboard Cleaner Eraser Brush 2pcs White Blue Material: Plastic, Velvet, Foam; Color: White, Blue Product Name: Blackboard Eraser Package Content: 2 x Blackboard Eraser Net Weight: 77g Size: 13.5 x 5.4 x 3cm/5.3" x 2" x 1.2"(L*W*T)