Treat your mail to JAM Paper A6 Premium Invitation Envelopes! These rich Navy Blue envelopes are made from high quality 28-pound smooth paper, feature a refined straight flap, and are suitable for all your mailing needs. Each envelope measures 4 3/4" x 6 1/2" in size and comfortably holds event invitations, greeting cards, thank you cards, RSVP's, special announcements, holiday cards, direct mail, business mailings and more! A secure moisture-activated gum closure keeps mail safe while providing a reliable seal you can trust. These versatile envelopes can easily be used in offices, homes and businesses. Size: 4.75in x 6.5in | Color: Navy Blue | Material: Recycled Paper Send Colorful Greetings in Style Pair w/ shades like Lime Green & Blue Perfect for Mailing & Crafting