White Sulphite Paper
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. White sulphite catalogs are one of the most widely used catalog types, and has multiple options for paper weight, seal type and catalog size.
Catalog envelopes are used for heavy mailing and shipping requirement such as: