Regular commercial envelopes are the most popular style of all. They are your most basic envelopes and come in a large variety of sizes
Window envelopes feature a die-cut window area, with a transparent poly-film that allows an address to show through the window, eliminating the need to address the outside of the envelope and saving you time and money.
Regular commercial envelopes with security tint include a pattern printed on the inside of the envelope to protect the documents inside the envelope from being read through the envelope.
Window envelopes with security tint are just like the regular tinted envelopes, but with a standard poly window.