{"product_id":"white-tyvek-r-18lb-10-x-13-x-2-first-class-expansion-envelopes-with-peel-and-seal","title":"White Tyvek® 18lb 10 x 13 x 2 First Class Expansion Envelopes with Peel and Seal","description":"\u003cp\u003eThicker mail needs stronger support, and JAM Paper White Tyvek® 18lb 10 x 13 x 2 inch First Class Expansion Envelopes with Peel and Seal, secure, and easy to handle. Measuring 10 x 13 x 2 inch, these envelopes fit reports, forms, catalogs, booklets, contracts, and document sets that need added space without sacrificing a neat professional appearance. Tough 18lb Tyvek helps protect against tears, moisture, and scuffing, making these white envelopes a reliable choice for business mailing, office filing, archive storage, and daily organization. The clean white color keeps every package looking polished, while the first class expansion style adds flexibility for school use, administrative tasks, and creative supply packing. A peel and seal closure keeps prep simple and efficient, so JAM Paper offers a mailing envelope that balances capacity, durability, and convenience.\u003c\/p\u003e","brand":"JAM","offers":[{"title":"Default Title","offer_id":48169088286932,"sku":"PC1713FC","price":1.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/6983\/2404\/files\/pc1713fc.png?v=1784121623","url":"https:\/\/www.jampaper.com\/products\/white-tyvek-r-18lb-10-x-13-x-2-first-class-expansion-envelopes-with-peel-and-seal","provider":"JamPaper.com","version":"1.0","type":"link"}