... cardboard for cover with 4C, sprial binding, customized. OEM sprial school notebook1) Cover materials: Art paper, gold chip cover, silver chip ... leatherette cover, cloth cover, PP board, PVC, special Chipboard2) Inner page: 60 - 120g blank writing paper or lined writing paper3) Sizes ... , paper box, gift box, gift bag, catalogue etc. OEM sprial school notebook