{"product_id":"4-x-725-black-poly-tubing-6-mil-light-blocking-custom-bag-solution","title":"4\" x 725' Black Poly Tubing 6 Mil - Light-Blocking Custom Bag Solution","description":"\u003cp\u003ePackrift's 4\" x 725' black poly tubing delivers maximum flexibility for packaging operations that require variable bag sizes. Manufactured from virgin, low-density polyethylene at 6 mil thickness, this polytube completely conceals contents while providing durability for demanding shipping and storage conditions. Industrial buyers reduce inventory carrying costs by creating custom-sized bags on-demand, simply cut the tubing to length, insert product, and seal. The opaque black material shields light-sensitive items from UV exposure, making it ideal for pharmaceuticals, electronics, food products, and more. Pair with Packrift's impulse sealers for professional, compliance-ready packaging. One roll of heavy-duty poly tubing replaces dozens of pre-cut bag SKUs.\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\u003eIdeal for industrial packaging buyers who need flexible, cost-effective custom bag solutions without maintaining large inventory of pre-cut sizes. This 4\" x 725' roll of 6 mil black polyethylene tubing lets you create custom-length bags on-demand, use for light-sensitive products that require complete opacity and protection from UV exposure.\u003c\/p\u003e\n\u003cp\u003eThe 6 mil thickness delivers heavy-duty durability for demanding applications while the all-virgin, low-density polyethylene construction provides complete light concealment and product protection. Quick heat-sealing capability with standard impulse sealers eliminates pre-made bag stock costs and reduces warehouse space requirements, directly improving your bottom line.\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\u003eAll-Virgin Low-Density Polyethylene (LDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e6 Mil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e4\" Width x 725' Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSealing Method\u003c\/th\u003e\n\u003ctd\u003eHeat Seal with Impulse Sealer\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\u003eCustom-sized protective bags for pharmaceuticals and supplements\u003c\/li\u003e\n\u003cli\u003eLight-shielding packaging for photo-sensitive chemicals and UV-sensitive materials\u003c\/li\u003e\n\u003cli\u003eFood industry moisture barriers and freshness protection\u003c\/li\u003e\n\u003cli\u003eElectronics and hardware component packaging with static protection\u003c\/li\u003e\n\u003cli\u003eOn-demand bag creation reducing inventory carrying costs\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\u003eOne 725-foot roll of 4\" black poly tubing\u003c\/li\u003e\n\u003cli\u003eContinuous tubing ready for custom heat sealing\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 as a single compressed roll on standard industrial pallet. Compact form factor minimizes freight costs while protecting tubing integrity during transit.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"pf-faq\"\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I create custom-sized bags from this tubing?\u003c\/summary\u003e\u003cp\u003eSimply cut the tubing to your desired length, insert your product, and use an impulse sealer to heat-seal both ends. This creates a completely sealed bag without requiring pre-fabricated inventory.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhy choose 6 mil thickness over thinner alternatives?\u003c\/summary\u003e\u003cp\u003e6 mil black poly provides heavy-duty protection with puncture resistance and complete light opacity, ideal for sensitive products. It handles rough handling in industrial environments while maintaining product integrity.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan this tubing be sealed with any heat sealer?\u003c\/summary\u003e\u003cp\u003eYes, standard impulse sealers work effectively with this low-density polyethylene. Check your sealer specifications, but most commercial impulse sealers are compatible with 6 mil poly tubing.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat products benefit most from light-blocking black poly?\u003c\/summary\u003e\u003cp\u003ePharmaceuticals, vitamins, photo-sensitive chemicals, UV-sensitive electronics, and food products requiring light protection all perform better in opaque black poly tubing compared to clear alternatives.\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\/poly-bags-guide\"\u003ePoly Bags Guide\u003c\/a\u003e · \u003ca href=\"https:\/\/packrift.com\/pages\/poly-bag-thickness-selector\"\u003ePoly Bag Thickness Selector\u003c\/a\u003e\u003c\/p\u003e\n\u003c!-- packrift-pdp-link-enrichment:v1:end --\u003e\n","brand":"Packrift","offers":[{"title":"Default Title","offer_id":53439820923248,"sku":"PT0406B","price":55.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/9159\/2048\/files\/PT0406B.jpg?v=1774845773","url":"https:\/\/packrift.com\/products\/4-x-725-black-poly-tubing-6-mil-light-blocking-custom-bag-solution","provider":"Packrift","version":"1.0","type":"link"}