Quality Park Postage Saving Envelopes - 500 per box
#10 1/2 (9.50" x 4.50") - Gummed - 500/Box - White
Postage-saving envelopes hold extra documents and provide value based on shape-based postage costs. No. 10-1/2 envelopes are specifically designed to perform while holding extra copies and weight. Envelopes feature heavyweight paper, security tint to keep contents private, and large flap with extra adhesive for secure mailing.