JAM Paper plastic expansion envelopes with elastic band closures are ideal for storing multiple standard sized sheets of paper at the office, in your desk, on you shelf, in your dorm room, in your locker, or anywhere! Each one is made from pliable yet durable, semi-transparent plastic and closes with an attached elastic band that expands to encircle each envelope in the middle. With 13" x 9.75" of space, and the capacity to expand up to over 2" in width, these envelopes can handle larger files. Reliably protect your documents from dirt, bends, and tears while making them stand out with color!Details:Available in multiple colors9.75" x 13" (2.5" expansion)12 envelopesElastic band closurePlastic