rainbow eraser 1.conform to EN71 & ASTM D-4236 2.multi-colors & long 3.promotion & school use 4.flexible eraser rainbow eraser 1)Type:Eraser, TPR eraser,Rubber eraser2)Material: TPR,PVC3)The fancy office eraser is suitable for office,shcool,drawing,promotion use.4)Meet EN71 and ASTM standard. All the materials conform to USA or European standards.