Feature●Full-print front self-adhesive packing list envelopes.●Permanent adhesive?no lost documents.●Printed PACKING LIST ENCLOSED.●Bright orange background and printing conceal enclosure for added security.●Separate address label required.Description Permanent adhesive?no lost documents Printed PACKING LIST ENCLOSED. Bright orange background and printing conceal enclosure for added security. Separate address label required. 5-1/2 x 4-1/2.