10″ x 13″ x 1-1/2″ First Class Border Expansion Mailers are made with 14 lb. DuPont Tyvek and feature a Redi-Strip closure. Protective material is strong and durable enough to easily withstand the most grueling conditions and resists punctures, tears and moisture. Everyday mailers provide a highly effective and useful way to send important information and items whether from home or work. First-class border can help increase the effectiveness of your important mailings and the assurance that your contents will be delivered. Mailers expand up to 1-1/2″ to accommodate bulky items. Redi-Strip closure requires no moisture for a secure seal. Lightweight construction could help you save on shipping costs.
- Ideal replacement for costly box or carton; superior protection for light, bulky items
- White open-end, expanding Tyvek envelopes with Flap-Stik closure and FCB
- Puncture-resistant, tear-resistant, moisture-resistant and chemical-resistant
- 100 / Carton
- Size: 10″ x 13″ x 1-1/2″






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