Compliments other Office Items Send Colorful Greetings in Style Great size for keeping important items safe JAM Paper Navy Blue #10 Policy Envelopes are 28lb, high quality paper and measure a convenient 4 1/8 x 9 1/2 inches in size. Each of these envelopes opens on the short end and has a straight flap with a reliable gum closure. These envelopes feature a deep and dark, navy blue color that gives that a casual yet refined appearance that makes them equally great for personal and professional mailing purposes! These envelopes are great for checks, cash, receipts, sales slips, invoices, tickets, folded documents and more! Use these envelopes in your office, in your home, or anywhere you need to store or send important papers, and to make an impression on mail recipients! Size: 4 1/8in x 9 1/2in | Color Navy Blue