These envelopes are made of pliable yet damage resistant plastic and make it easy for you to carry all your needs without bulk! These envelopes offer ample room to store important documents, medical records, reports, resumes, presentations and more. Each envelope has a sliding zipper that encloses your contents. Stay organized by color categorizing your papers with this multi-color set! Details: Assorted colors 9.75" x 13" overall size Fits standard sized sheets of paper 12 envelopes Booklet with zipper closure Plastic