QUAR4430, Quality Park Tyvek Hvy Wt. Expansion Envelopes QUA R4430

Quality Park TYVEK & Tear-Resistant Envelopes: Quality Park R4430 Tyvek Open-Side Envelope, Plain, 10'' x 13'' x 2'', 100/CT, White, QUAR4430, 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-side style and convenient Flap-Stik closure. Envelopes made with 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. UPC 85227144300