JAM Paper Navy Blue 6 x 9 Open End Envelopes are made out of smooth, 28lb, high quality paper! Each one features a commercial style flap with a secure gum closure. These envelopes measure 6 x 9 inches in size, making them great for folded documents, smaller papers, letters, cards, and more! The dark, navy blue color of these envelopes gives them a both versatile and professional look appropriate for both business and personal mailing purposes! The refined appearance and noticeable quality of these envelopes is certain to make a fantastic impression on all of your mail recipients! Size: 6in x 9in | Color: Navy Blue | Material: Recycled Paper Send Colorful Greetings in Style Pair w/ shades like Blue & Yellow Perfect for Mailing & Crafting