Products Tyvek Open-Side Envelope- 1st Class- 10in.x13in.x2in.- 100-CT- White
Expansion Envelopes with heavyweight Tyvek offer superior protection for mailing bulky items which are not too heavy. Ideal replacement for costly box or carton. Features open-side style and convenient Flap-Stik closure. Envelopes made of DuPont Tyvek won t rip, tear or puncture. Much stronger and more secure than traditional paper envelopes. Water-resistant and moisture-resistant. Easy to use, just peel and seal.
