... a4,4-9c,300g art paper,elastic,3wing 2)custom,file/folder/ring binder 3)factory,eco plastic,pvc ... supply customizing kinds of paper,pp,pvc,plastic file folder/folder/ring binder folder size 310*240mm ... material 300g art paper type elastic file folder clour1c wonderful printing cover surface glossy lamination ... 1)the type of all parts of material 2)quantity 3)different angles and clear picture of ...