{"product_id":"4-5x5-5-blue-packing-list-enclosed-poly-envelopes-1000-case","title":"4.5x5.5\" Blue Packing List Enclosed Poly Envelopes - 1000\/Case","description":"\u003cp\u003eShipping managers and fulfillment supervisors rely on these pre-printed packing list enclosed envelopes to protect and organize critical shipping documents throughout the supply chain. Each 4.5x5.5\" envelope is constructed from durable 2 mil poly with bold blue panel-face printing that's instantly recognizable on busy warehouse shelves and shipping docks. The hot melt adhesive backing provides strong, lasting adhesion to both paper manifests and corrugated surfaces without additional tape or staples. Simply insert your packing list, invoice, or shipping label, and apply to your package, saving time and reducing document loss. Packrift delivers 1,000-envelope cases at competitive pricing with reliable shipping, so your fulfillment operation stays efficient and compliant.\u003c\/p\u003e\n\n\u003c!-- packrift-enriched --\u003e\n\u003cdiv class=\"packrift-enrichment\"\u003e\n\u003csection class=\"pf-best-for\"\u003e\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cp\u003eShipping managers and fulfillment supervisors handling high-volume order processing need reliable document protection that fits into packing workflows. These 4 1\/2\" x 5 1\/2\" blue \"Packing List Enclosed\" envelopes are engineered for corrugated and paper surfaces, ensuring packing lists stay protected and visible throughout the supply chain.\u003c\/p\u003e\n\u003cp\u003eHeavy 2 mil polyethylene construction provides durability against moisture, tears, and handling damage during transit. Pre-printed messaging eliminates manual labeling steps, while hot melt adhesive backing delivers consistent, strong adhesion to cardboard boxes and kraft paper without requiring additional fasteners or equipment.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"pf-specs\"\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e2 Mil Polyethylene (Poly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e4 1\/2\" W x 5 1\/2\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePre-Printed Message\u003c\/th\u003e\n\u003ctd\u003ePacking List Enclosed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAdhesive Type\u003c\/th\u003e\n\u003ctd\u003eHot Melt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRecyclable\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"pf-use-cases\"\u003e\u003ch3\u003eCommon Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eE-commerce order fulfillment and same-day shipping operations\u003c\/li\u003e\n\u003cli\u003eMulti-channel retail distribution centers\u003c\/li\u003e\n\u003cli\u003eFood and beverage logistics with document protection requirements\u003c\/li\u003e\n\u003cli\u003eManufacturing and industrial parts distribution\u003c\/li\u003e\n\u003cli\u003eThird-party logistics (3PL) facilities handling invoice and manifest documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"pf-included\"\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 blue \"Packing List Enclosed\" panel face envelopes per case\u003c\/li\u003e\n\u003cli\u003eHot melt adhesive backing pre-applied and ready to use\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"pf-shipping\"\u003e\u003ch3\u003eShipping and Packaging\u003c\/h3\u003e\n\u003cp\u003eEnvelopes ship in a standard case of 1,000 units, compact and stackable for efficient warehouse storage. Cases are palletizable for high-volume orders, reducing per-unit freight costs for large fulfillment centers.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"pf-faq\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eWill the adhesive stick to wet or damp corrugated boxes?\u003c\/summary\u003e\u003cp\u003eHot melt adhesive performs best on clean, dry surfaces. For optimal adhesion in high-humidity environments, ensure boxes have air-dried for at least 30 minutes before application. The 2 mil poly backing provides moisture protection once sealed.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan these envelopes be applied by hand or do we need a dispenser?\u003c\/summary\u003e\u003cp\u003eThese envelopes are designed for manual application by warehouse staff—simply peel and press onto your box or package. For high-speed automation, optional adhesive dispensers are available to increase throughput in large fulfillment operations.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat's the opening orientation of these envelopes?\u003c\/summary\u003e\u003cp\u003eEnvelopes open along the 4 1\/2\" dimension (the width), allowing quick insertion of packing lists, invoices, and shipping documents without tilting or repositioning the package.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eAre these compliant with retail and carrier labeling standards?\u003c\/summary\u003e\u003cp\u003eYes. The pre-printed \"Packing List Enclosed\" message meets industry standards for FedEx, UPS, and USPS documentation requirements. Blue color provides high visibility on standard kraft and white corrugated boxes.\u003c\/p\u003e\u003c\/details\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c!-- \/packrift-enriched --\u003e\n\n\u003c!-- packrift-pdp-link-enrichment:v1:start --\u003e\n\u003cp class=\"packrift-pdp-links\" style=\"margin-top:1.25em;font-size:0.95em;color:#222\"\u003e\u003cstrong\u003eRelated guides \u0026amp; tools:\u003c\/strong\u003e \u003ca href=\"https:\/\/packrift.com\/pages\/mailers-guide\"\u003eMailers Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003c!-- packrift-pdp-link-enrichment:v1:end --\u003e\n","brand":"Packrift","offers":[{"title":"Default Title","offer_id":53431025140080,"sku":"PL454","price":26.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/9159\/2048\/files\/PL454.jpg?v=1774837614","url":"https:\/\/packrift.com\/products\/4-5x5-5-blue-packing-list-enclosed-poly-envelopes-1000-case","provider":"Packrift","version":"1.0","type":"link"}