... 2. Material: PU 3. OEM accepted Leather file holder with calculator SpecificationsA4size, OEM is welcome 1. materials: pu,fake leather, pvc ... . inner paper : 70gsm80gsm100gsm wood-free paper3. inner part: card slot,calculator, pen holder etc... 4. Packing: each with opp bag , then ... : 15~20days after the sample confirmed Leather file holder with calculator