JAM Paper Black Booklet Plastic Envelopes with Button and String Tie Closure are useful and practical supplies for all of your document storage and protection needs! Whether your documents are sitting inside of your desk drawers, making an appearance in the class room, or being transported from place to place, these envelopes keep them orderly and safe from damage. Each one is made of pliable, yet sturdy plastic and has a secure two button string tie closure. Don't let your important documents get lost or damaged in the business of the day. Instead, keep track of them and keep them protected with these envelopes! Details: Available in multiple colors 5.25" x 10" Pack of 24 envelopes Button and string tie closure Plastic material