Quality Park 6×9 clasp envelopes are a staple of every office; a gummed flap and reusable clasp make them ideal for mailing and storage; 100 per box

These yellow envelopes have strong 2 prong metal clasps with reinforced eyelets

The gummed envelope flap is made thick with moisture-activated adhesive

Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office