Quality Park Products QUAR1330 Tyvek Envelopes, 6x9, First Class Mailers - 100/Box

The Tyvek Envelopes are perfect for sending out first class catalog mailers. Made from durable DuPont Tyvek material, these envelopes offer excellent protection for your contents while maintaining a professional appearance.

Designed with a convenient square flap and a Redi-Strip closure, they ensure quick sealing without the need for moisture. Each envelope measures 6 x 9 inches and comes in a pristine white color, making them suitable for various mailing needs.