JAM Paper plastic envelopes with zip closures are 5" x 10" in size and have a 1" expansion. Made of sturdy and slightly pliable plastic, these envelopes are great for storing receipts, coupons, banks slips, folded documents, pens, and more! This pack contains 12 envelopes for multiple uses! The zip closures of these envelopes close and open quickly and reliably. Use them to store small papers in drawers or on shelves, or put them in your bag or briefcase to keep items safe on the go. Their semi-transparent color is both non-imposing and mildly expressive, making it fit in at any workplace with an added highlight. Details: Available in multiple colors 5" x 10" (1" expansion) 12 envelopes Zip closure Plastic