We're the stationery manfaturer,which is provide the pu/pvc cover notebook... The specifications of the pu/pvc cover notebook as below: Cover material: pu/pvcThe cover design as the photoCover size: A4 A5 A6(Can be by the custom size)Inner paper: 80sheets, 70g, 1c line/diary printingPacking: each piece in a polybag