{"product_id":"business-source-tyvek-expansion-envelopes-expansion-12-width-x-15-1-2-length-4-gusset-peel-seal-white-tyvek-50-box","title":"Business Source Tyvek Expansion Envelopes - Expansion - 12\" Width x 15 1\/2\" Length - 4\" Gusset - Peel \u0026 Seal - White - Tyvek - 50 \/ Box","description":"Heavyweight Tyvek Envelopes are super strong, moisture-resistant and tear-resistant. Tyvek expansion is ideal for superior protection for mailing bulky items. These 18 lb. plain envelopes feature an open-end design for easy insertion of documents. Convenient peel-to-seal closure requires no moisture to close.","brand":"Business Source","offers":[{"title":"Default Title","offer_id":46602261594308,"sku":"BSN65806","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/6918\/3940\/files\/491a0af61d2c286f58356f63e6867527.jpg?v=1788287171","url":"https:\/\/www.jprosupplies.com\/products\/business-source-tyvek-expansion-envelopes-expansion-12-width-x-15-1-2-length-4-gusset-peel-seal-white-tyvek-50-box","provider":"JPRO Supplies","version":"1.0","type":"link"}