Window Catalog Envelopes
Catalog, or open end, style envelopes typically are produced with a center seam and are used for shipping magazines and large booklets. The heavily gummed flap protects the contents of catalog envelopes. Catalogs cannot be processed through inserting equipment or laser printing. Window catalogs are produced with 28# white sulphite material and have multiple window options so the necessary information on your mail piece can be seen.
Catalog envelopes are used for heavy mailing and shipping requirement such as: