Water, chemical, tear and puncture resistant Tyvek construction delivers the optimal level of protection to your correspondence. Amazingly durable, surprisingly lightweight material helps to reduce shipping costs. Convenient, peel-and-press Grip-Seal closure seals securely. Envelope Size: 4 1/8 x 9 1/2; Envelope/Mailer Type: Business/Trade; Closure: Self-Adhesive; Trade Size: #10. Additional Details#10; Business Envelopes; Columbian; Envelopes; Tyvek; WESTVACO; Posts; Letters; Packages; Mailrooms; Shipping; Receiving; Stationery
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