Combining our poly plastic with a portfolio is certainly the way to go. With our poly plastic material, your documents will be safe from wear and tear. Use them for anything from art, to architecture, or even holding important business documents! And the elastic closure will surely secure all of those papers, so you don't have to worry about anything falling out. Combining those factors with our neutral colors will make your professionalism advance all the way to the top. Whether you're using this portfolio to organize your work papers or using it to organize your crafts at home, these portfolios will surely be your best bet! Details:Black13" x 11.25"Combination 3 ring binder and expanding file folderElastic closurePlastic