{"product_id":"box-packaging-inc-sle10131we-expandable-envelopes-100-pack","title":"Box Packaging Inc SLE10131WE Expandable Envelopes 100 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BOX PACKAGING INC SLE10131WE is a pack of 100 expandable poly-reinforced mailer envelopes designed for shipping books, documents, and other bulky flat items. Each envelope measures 10 inches wide by 13 inches long with a 1.5-inch gusset depth, providing enough volume to handle thicker contents without splitting. The shell is white paper reinforced with a mesh screen poly fiber construction, making it approximately six times stronger than standard paper envelopes. A built-in self-seal closure strips the need for additional tape on most shipments. These envelopes are also moisture resistant, offering a basic level of protection against surface contact with water during transit and handling.\u003c\/p\u003e\n\u003cp\u003eThese envelopes are suited for mailrooms, shipping departments, fulfillment operations, and service businesses that need a reliable poly-reinforced mailer in volume. The end-opening design and gusseted body accommodate catalogs, manuals, soft-cover books, and packaged trade supplies. The 100-count pack format is practical for high-turnover shipping environments where consistent mailer stock is critical. Facilities managers, shipping coordinators, and supply house operations are the primary users of this product type.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003ePoly mesh fiber reinforcement provides strength approximately six times greater than standard paper envelopes\u003c\/li\u003e\n  \u003cli\u003e1.5-inch expandable gusset accommodates bulky or multi-item contents\u003c\/li\u003e\n  \u003cli\u003eMoisture-resistant construction protects contents from surface water exposure\u003c\/li\u003e\n  \u003cli\u003eSelf-seal closure eliminates the need for separate tape on most applications\u003c\/li\u003e\n  \u003cli\u003eEnd-opening design allows easy loading of flat or stacked items\u003c\/li\u003e\n  \u003cli\u003eWhite finish; 100 envelopes per pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general-purpose expandable mailer envelope suitable for standard postal and courier shipping of books, documents, catalogs, and similar bulky flat items.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eNo tools are required for use. Activate the self-seal strip by folding and pressing firmly along the full width of the closure to ensure a secure bond before handing off to a carrier. Avoid overfilling beyond the rated 1.5-inch gusset depth, as exceeding capacity may compromise the seal or seam integrity during transit. Store unused envelopes flat in a dry environment to preserve the self-seal adhesive.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvelope Width\u003c\/strong\u003e: 10 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvelope Length\u003c\/strong\u003e: 13 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGusset Depth\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpening Style\u003c\/strong\u003e: End opening\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClosure Type\u003c\/strong\u003e: Self-seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: White paper with mesh screen poly fiber reinforcement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity per Pack\u003c\/strong\u003e: 100\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 6.68 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BOX PACKAGING INC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: SLE10131WE\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BOX PACKAGING INC","offers":[{"title":"Default Title","offer_id":68093232578866,"sku":"SLE10131WE","price":120.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4878624c4a49446220321c308dd37f84.jpg?v=1793233501","url":"https:\/\/voomisupply.com\/products\/box-packaging-inc-sle10131we-expandable-envelopes-100-pack","provider":"Voomi Supply","version":"1.0","type":"link"}