... the leading China grey board manufacturers and suppliers,Website:http://www.mugetech.com, welcome to wholesale grey board from us.grey ... boardSize: Customized sizeMaterial:Ivory board(250G,300G, 350G) Art paper( ... 157G, 200G, 250G, 300G) Duplex board with grey back(250G, 300G, 350G,400G) Grey board(250G, 300G, 350G, 400G) Craft ...