Ensure safe delivery of your catalogs and mailers with these catalog envelopes. With or without windows, these durable, high-quality envelopes come in brown kraft, white, pastels, and brights. With so many options, first select your size and material (paper or Tyvek). Then, select the appropriate closure mechanism: metal clasp, ungummed, remoistening seal, zipper, or pressure sensitive seal. Filters in the left column will help you sort for specific needs.