Quality Park™ Expandable Security Envelope, One inch, 6 x 9 1/2, White, 500/Box
QUA90062
Expandable envelope.
Cut back on costs at the post office. Durably built catalog envelopes are made to accommodate heavier items through the side opening, whether that be thick paper or multi-item packets. With a special tint and gummed flaps, they're easy to stuff and sort while saving every penny possible.