Universal UNV35217 Self-adhesive 9 Double Window Envelopes - 500 Count

This package contains 500 self-adhesive, double window business envelopes. Designed with a square flap, these envelopes measure 3.88 x 8.88 inches and are perfect for mailing invoices, statements, and other important documents without the need for tape or glue.

Constructed from high-quality white paper, they provide a professional look while ensuring your documents are secure during transit.