Each envelope features a plastic zipper closure with metal ends for fast and reliable opening and closing. The pliable yet durable plastic that these envelopes are made of protects your stored documents against scratches, bending, tearing, stains and other damage. They are perfect for storing standard sized documents in an office or workspace, or for keeping them safe on the go. Their white color is both versatile and professional and will prevent any of your papers from being seen from the outside. Details: White 9.75" x 13" overall size Fits standard sized sheets of paper 12 envelopes Booklet with zipper closure Plastic