... :28.5cm*21cm Cover:250gsm cardstock with 4C printing Inner page: 80 sheet, 80gsm woodfree paper Spiral Notebook:1) Cover materials ... or leatherette cover, cloth cover, PP board, PVC, specialChipboard2) Inner page: 60 - 120g blank writing paper or lined writing paper 3 ... ...Artwork format: PDF , AI ,Corel Draw , etc … 300DPI MOQ :3000pcs , we can accept less quantity if trial order Sample time : 5 ...