... )process.2:Material:60g,70g,80g,90g,white paper board, duplex paper board with white back,cooper plate, art paper, C1S FBB ... lamination, acqueous coating,UV Coating ,gold/silver stamping.4: Binding:Spiral binding, perfect binding, glued binding.5: Cover: hard paper cover, soft paper cover ... just for your reference.Do everything with our heart. spiral binding notebook