{"product_id":"9x12-4-mil-white-block-reclosable-poly-bags-1000-case","title":"9x12\" 4 Mil White Block Reclosable Poly Bags - 1000\/Case","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003e9 x 12\" 4 mil reclosable poly bag, sold by the case of 1000. Medium duty — better tear and puncture resistance for heavier components, hardware, parts kitting, and items with sharper edges. Sold by the case of 1000.\u003c\/p\u003e\n\u003ch3\u003eSpecs at a glance\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eReclosable poly bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBag dimensions (W x L)\u003c\/th\u003e\n\u003ctd\u003e9 x 12\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFilm thickness\u003c\/th\u003e\n\u003ctd\u003e4 mil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClosure\u003c\/th\u003e\n\u003ctd\u003eReclosable zipper-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eClear with white write-on block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHang holes\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBags per case\u003c\/th\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBest for\u003c\/h3\u003e\n\u003cp\u003eBest for warehouses, 3PLs, ecommerce kitting, parts rooms, jewelers, medical and dental practices, and retailers that need a sealed, labeled, and reusable container for small items.\u003c\/p\u003e\n\u003ch3\u003eWhen to use this product\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall parts, fasteners, components, samples, and SKUs that need to stay sorted and labeled.\u003c\/li\u003e\n\u003cli\u003eKitting and pre-packing where the bag will be reopened for assembly or QC.\u003c\/li\u003e\n\u003cli\u003eInventory counts, returns, and replenishment where the contents need to stay visible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to choose something else\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eFor very sharp parts or long-term heavy storage, step up to 6 mil.\u003c\/li\u003e\n\u003cli\u003eFor light dry goods, 2 mil is more economical.\u003c\/li\u003e\n\u003cli\u003eFor larger volumes or non-resealable disposable use, browse the full \u003ca href=\"\/collections\/poly-bags\"\u003epoly bag collection\u003c\/a\u003e for flat poly bags and other formats.\u003c\/li\u003e\n\u003cli\u003eFor trash, recycling, or large-format liners, see the \u003ca href=\"\/collections\/bags-liners\"\u003ebags \u0026amp; liners\u003c\/a\u003e collection.\u003c\/li\u003e\n\u003cli\u003eFor UV-sensitive contents, choose an amber UV reclosable bag in the same size range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNeed help choosing?\u003c\/h3\u003e\u003cp\u003eNot sure if this size or thickness is right for your contents? Read the \u003ca href=\"\/pages\/poly-bags-guide\"\u003ePoly Bags Buying Guide\u003c\/a\u003e for a walkthrough of poly bag styles, mil ratings, and closure types, or use the \u003ca href=\"\/pages\/poly-bag-thickness-selector\"\u003ePoly Bag Thickness Selector\u003c\/a\u003e to match the right mil to your application.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does mil mean?\u003c\/strong\u003e\u003cbr\u003eMil is film thickness — 1 mil = 0.001 inches. This bag is 4 mil thick. Medium duty — better tear and puncture resistance for heavier components, hardware, parts kitting, and items with sharper edges. See the \u003ca href=\"\/pages\/poly-bag-thickness-selector\"\u003ePoly Bag Thickness Selector\u003c\/a\u003e for a side-by-side of all common mil ratings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre these bags FDA-compliant for food contact?\u003c\/strong\u003e\u003cbr\u003eThese are general-purpose LDPE reclosable bags. They are commonly used for non-food parts, hardware, samples, and storage. For direct food contact, confirm food-grade certification with a sales rep before ordering — not all reclosable poly bags are FDA-compliant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the white block for?\u003c\/strong\u003e\u003cbr\u003eThe printed white block on the front of the bag accepts pen, pencil, or marker writing. It is used for SKU labels, lot numbers, dates, QC notes, batch IDs, or short instructions — much faster than applying a separate label for in-house tracking.\u003c\/p\u003e\n\u003ch3\u003eRecommended add-ons and related links\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrowse the full \u003ca href=\"\/collections\/poly-bags\"\u003epoly bag collection\u003c\/a\u003e for adjacent sizes and mil thicknesses.\u003c\/li\u003e\n\u003cli\u003eSee the broader \u003ca href=\"\/collections\/bags-liners\"\u003ebags \u0026amp; liners\u003c\/a\u003e category for can liners, gusseted bags, and other poly formats.\u003c\/li\u003e\n\u003cli\u003eFor protecting fragile contents inside the bag, pair with \u003ca href=\"\/collections\/cushioning\"\u003ecushioning \u0026amp; void fill\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\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\u003eIndustrial manufacturers, food processors, and logistics operations need durable, FDA\/USDA-compliant storage solutions that eliminate labeling time. These 9 x 12\" 4 mil white block reclosable poly bags provide a cost-effective, reusable packaging option with integrated write-on space for quick inventory tracking, part identification, and pricing without additional label materials.\u003c\/p\u003e\n\u003cp\u003eThe 4 mil thickness delivers puncture and tear resistance for repeated handling and storage, while the reclosable zipper closure ensures product integrity during shipping and shelf life. The large white write-on block allows direct marking for descriptions, quantities, and pricing, eliminating labeling costs and reducing packaging preparation time—critical for high-volume operations managing multiple SKUs.\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\u003e4 Mil LDPE Polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInside Dimensions\u003c\/th\u003e\n\u003ctd\u003e9\" W x 12\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eClosure Type\u003c\/th\u003e\n\u003ctd\u003eReclosable Zipper Lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRegulatory Compliance\u003c\/th\u003e\n\u003ctd\u003eFDA and USDA Food Contact Approved\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\u003eFood storage and packaging for bakeries, delis, and food processors\u003c\/li\u003e\n\u003cli\u003eParts organization and inventory tracking in manufacturing facilities\u003c\/li\u003e\n\u003cli\u003eRetail display, promotional bags, candy, and treat packaging\u003c\/li\u003e\n\u003cli\u003ePharmaceutical and supplement packaging with traceability\u003c\/li\u003e\n\u003cli\u003eSnack and dry goods packaging for food distribution\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 reclosable poly bags per case (12\" x 9\" usable interior)\u003c\/li\u003e\n\u003cli\u003ePre-printed white write-on block on each bag\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"pf-shipping\"\u003e\u003ch3\u003eShipping and Packaging\u003c\/h3\u003e\n\u003cp\u003eShips in a standard carton containing 1,000 bags. Cases are stackable and compact, minimizing dimensional weight charges. Bulk ordering enables reduced per-unit shipping costs for high-volume industrial buyers.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"pf-faq\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eAre these bags food-safe and compliant with regulations?\u003c\/summary\u003e\u003cp\u003eYes. These 4 mil reclosable poly bags meet FDA and USDA requirements for direct food contact, making them suitable for bakeries, deli operations, and food processing applications. Always verify your specific use case with product documentation.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I write directly on the bag without labels?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The large white write-on block printed on each bag allows you to mark quantities, descriptions, pricing, dates, and part numbers using a permanent marker or ballpoint pen. This eliminates the need for separate labeling materials and accelerates packaging workflows.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat is the durability and puncture resistance of 4 mil thickness?\u003c\/summary\u003e\u003cp\u003e4 mil polyethylene provides excellent puncture and tear resistance suitable for industrial storage, repeated handling, and shipping. It's thicker and more durable than standard 2-3 mil bags, making it ideal for heavier items, frequent resealing, and extended storage periods.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow many bags come in a case, and what's the cost per unit at volume?\u003c\/summary\u003e\u003cp\u003eEach case contains 1,000 bags. Bulk purchasing provides significant per-unit savings; larger orders typically qualify for volume discounts. Contact our sales team for custom pricing on orders exceeding standard case quantities.\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\/9x12-poly-bags\"\u003e9X12 Poly Bags\u003c\/a\u003e · \u003ca href=\"https:\/\/packrift.com\/pages\/9x12-2-mil-poly-bags\"\u003e9X12 2 Mil Poly Bags\u003c\/a\u003e\u003c\/p\u003e\n\u003c!-- packrift-pdp-link-enrichment:v1:end --\u003e\n","brand":"Packrift","offers":[{"title":"Default Title","offer_id":53437255713136,"sku":"PB4004","price":121.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/9159\/2048\/files\/PB4004.jpg?v=1774843393","url":"https:\/\/packrift.com\/products\/9x12-4-mil-white-block-reclosable-poly-bags-1000-case","provider":"Packrift","version":"1.0","type":"link"}