... customized 2. Material: PU 3. OEM accepted Leather file holder with calculator SpecificationsA4size, OEM is welcome 1. materials: pu,fake leather, pvc ... wood-free paper3. inner part: card slot,calculator, pen holder etc... 4. Packing: each with opp bag , then in cartons .5. Customer ... Detail: 15~20days after the sample confirmed Leather file holder with calculator