Are you looking for a sleek and professional envelope that will make your mailed documents stand out? JAM Paper Dark Gray 9 x 12 Open End Catalog Envelopes are just what you need! These envelopes are made out of 28lb, slightly textured, high quality paper. Each one measures 9 x 12 inches in size, making them ideal for enclosing standard sized sheets of paper without bending or folding! These envelopes feature commercial style flaps with secure gum closures. This pack contains an even total of 100 envelopes. These envelopes are adorned with a dark, warm, and sophisticated grey color that adds an inviting and refined look to any mailing.