JAM Paper Dark Red 9 x 12 Open End Catalog Envelopes with Gum Closure are made out of high quality, 28lb, acid free, and archival paper and feature commercial style flaps with reliable gum closures to keep items secure as they travel through the mail. Each one measures 9 x 12 inches in size, making them ideal for standard sized sheets of paper. Use them to mail documents, forms, files, news or business letters, announcements, paper work, promotional materials, and more! The deep, dark, and rich red color of these envelopes gives them a luxurious appearance appropriate for personal and professional mailing needs. Size: 9in x 12in | Color: Dark Red | Material: Recycled Paper Send Colorful Greetings in Style Pair w/ shades like Baby Pink and Red Perfect for Mailing & Crafting