Survivor‚® 10 x 13 x 1-1/2 DuPont Mailers with Self-Seal Closure - 25 / BX - 10 Width x 13 Length - 1 1/2 Gusset - 14 lb - Self-sealing - 25 / Box - White

Regular-weight Expansion Envelopes offer superior protection for mailing bulky items that are not too heavy. They are ideal replacements for costly boxes or cartons. Design features an open-end style and convenient Flap-Stik closure. Much stronger and more secure than traditional paper envelopes, these 14 lb. expansion envelopes made of DuPont Tyvek won't rip, tear or puncture. They are water-resistant and moisture-resistant. They are easy to use. Simply peel and seal.

• Made with durable yet lightweight, 14 lb. DuPont Tyvek that's tough enough to resist punctures, tears and moisture during shipping
• Perfect for shipping contents with confidence
• Peel-and-seal, Flap-Stik closure for a clean, sanitary seal without moisture; release strip for quick opening