6 3/4 Envelopes for Checks – Full Color Make a bold statement with our Full-Color #6 3/4 Check Envelopes! Printed on durable 24# white paper, these 3 5/8″ x 6 1/2″ envelopes are perfect for securely returning checks. Customize with your full-color logo, address, and vibrant designs to elevate your mailings and boost your brand!
