Clear Self Sealing Cellophane Bags 5.5 inches x 8.125 inches. 10 or 100 cellophane bags sold per pack. These bags can also be used as decorative envelopes for mailing. Bags are great for mailing. Great for all types of literature; use for fliers, brochures, invitations, postcards, or greeting cards. See our Bag Directory for More Ideas and Cellophane Bag/Envelope Sizes.