... writing board to increase your business!!!!1.Perfect data of innovative new products for 2012Item nameT2CertificateCE,ROHS,FCCFrame materialAluminium AlloyBoard MaterialAcrylicFrame ... 40x60,50x50cm Life Span 80.000--10.000hours2.Feature of innovative new products for 2012o Reusable and durable o Easy to ... of the board as you wish.4.how to use innovative new products for 2012:Step 1.Use a special marker ...