This product contains 12 pieces of plastic document bags with zipper which you can use for a long time. It is suitable for the storage of documents, express, maps, cards or certificates, and you can also use it as a pen bag. The bags adopt PVC and quality mesh material, thus, they’re waterproof and durable. With these document bags, you will have no trouble in finding the document you need quicklyifications: Color: Blue, red, yellow, green(optional) Size: 24×17.5cm Quantity: 12 pcs per set Weight: 90 g(approx.) Package includes: 12×Bags(Other items are not included)Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.