JAM Paper Dark Purple 9 x 12 Open End Envelopes with Gum Closures are made out of high quality, 28lb archival paper! These envelopes measure 9 x 12 inches in size, making them ideal for enclosing standard sized sheets of paper without folding or creating creases! These envelopes feature commercial style laps with secure, moisture activated gum closures. The rich, dark, smooth and royal purple color of these envelopes makes them great for home, business, and special event mailing purposes! The appearance and superior quality of these envelopes are certain to make a fantastic impression on all of their recipients. Size: 9in x 12in | Color: Dark Purple | Material: Recycled Paper Send Colorful Greetings in Style Pair w/ shades like Baby Blue and Purple Perfect for Mailing & Crafting