{"product_id":"white-tyvek-r-18lb-12-x-16-x-4-expansion-envelopes-with-peel-and-seal","title":"White Tyvek® 18lb 12 x 16 x 4 Expansion Envelopes with Peel and Seal","description":"\u003cp\u003eFor thick stacks and oversized materials, JAM Paper White Tyvek® 18lb 12 x 16 x 4 inch Expansion Envelopes with Peel and Seal, manuals, catalogs, booklets, files, and bulky document groups that need to stay flat, protected, and easy to manage. Crafted from strong 18lb Tyvek, these white mailing envelopes resist tears, moisture, and surface damage better than many standard envelopes, making them useful for shipping, filing, storage, and heavy duty office organization. The bright white finish adds a clean professional look that works well for mailrooms, schools, business mailing, creative supply packing, and archive use. A peel and seal closure keeps prep fast and simple, so JAM Paper makes this expansion envelope a dependable choice for larger mailing jobs that need extra room and reliable protection.\u003c\/p\u003e","brand":"JAM","offers":[{"title":"Default Title","offer_id":48169088188628,"sku":"PC1649PL","price":2.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/6983\/2404\/files\/pc1649pl.png?v=1784121624","url":"https:\/\/www.jampaper.com\/products\/white-tyvek-r-18lb-12-x-16-x-4-expansion-envelopes-with-peel-and-seal","provider":"JamPaper.com","version":"1.0","type":"link"}