Tyvek Expansion Envelope- 12 x 16- White- 100/Box

Ideal for mailing bulky items and materials. Excellent alternative to heavy boxes and cartons. Superior water-, chemical-, moisture-, burst-, tear- and puncture-resistant protection. Envelope Size: 12 x 16; Envelope/Mailer Type: Expansion Mailer; Closure: Self-Sealing Adhesive; Trade Size: N/A.- SKU: ZX9AZUNIV19001