... cardboard display stand manufacturers and suppliers, welcome to wholesale cardboard display stand from us.cardboard display standSize:Customized sizeMaterial:K3,A3+150g+300CCNB;K3,K9+150g+300gCCNB Art paper ... grey back(250G, 300G, 350G,400G) Grey Paper(250G, 300G, 350G, 400G) Craft paper(100G, 120G, 150G, 200G, 250G, ... 300G) Corrugated paper( A, B, C , E grade )Color:1-4C ...