Proper Size: each vertical plastic folder with string closure is approximately 12.8 x 9.8 inch in size, which is large enough to hold over 200 sheets of paper; Letter A4 size, 1-1/4 inch expansion, great for your daily assignments, projects, paperwork, tax documents, suitable for school, office and other occasions Versatile Uses: these plastic document folder have an incredibly wide range of applications; Be it organizing documents, images, stationery, these envelopes have got you covered; They are great for both personal and business use Button and String Closure: ensuring your documents' security is our aim; That's why our poly string envelopes come with a robust button and string closure that ensure reliable locking, making sure your documents are safe and secure Reusable and Sturdy: the plastic document envelope is not just sturdy but also reusable, and it is tear resistant, waterproof and easy to clean; The plastic material not only lends robustness but also allows for multiple usages Pack of 12 Visible and Translucent Envelopes: with each purchase, you receive a package of 12 plastic file folders with button and string closure; Enjoy organizing documents with peace of mind without ever worrying about running out of storage options; The beautiful and practical translucent color of the envelopes allows quick identification of stored contents, saving you valuable time when you're on a hectic schedule Color: A:blue/B:Red Material: plastic Package Contents: 1set x plastic envelopes with snap closure Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.