Staples double-window envelopes allow you to send documents with guaranteed confidentiality. The envelopes conveniently display the address of both the sender and the receiver, eliminating the need for address labels or hand labeling. The gummed closure e keeps contents in place and is ideal for both commercial and home use. The white wove paper and privacy lining make these Staples envelopes opaque, ensuring the contents remain protected from prying eyes. The double-window envelope's dimensions allow you to send materials of larger sizes.