Quality Park, QUAR4210, First Class Expansion Envelopes, 100 / Carton, White

First-class Expansion Envelopes with heavyweight Tyvek offer superior protection for mailing bulky items which are not too heavy. Ideal replacement for costly box or carton, envelopes feature open-end style and convenient Flap-Stik closure. Being much stronger and more secure than traditional paper envelopes, these envelopes with DuPont Tyvek won't rip, tear or puncture. First-class expansion envelopes are water-resistant and moisture-resistant. They are easy to use. Simply peel and seal. Quality Park First Class Expansion Envelopes, White, 100 / Carton (Quantity)

Heavyweight Tyvek offers superior protection for mailing bulky items Open-end style and Flap-Stik closure for convenient use DuPont Tyvek material won't rip, tear or puncture for enhanced security Water-resistant, moisture-resistant material withstands harsh conditions