... .Small MOQ 4.Low price Expanding cardboard paper file folder OEM service Product Expanding cardboard paper file folder OEM service UsagePackaging ... Custom selection available MaterialCoated paper, Art paper, Kraft paper, Gray cardboard, Woodfree paper,Gold/silver card, Leather paper, Fancy paper, ... After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3- ...