LK Packaging 2×3 Heavy-Gauge 4 Mil Reclosable Poly Bags (F40203)
LK Packaging’s F40203 delivers extra-heavy 4 mil LDPE construction in the small 2×3 inch format — providing double the film thickness of standard 2 mil bags in a compact size purpose-built for jewelry, coins, small hardware, pharmaceutical samples, and high-value miniature items that require serious protection without bulk. The 4 mil gauge resists puncture, prevents moisture intrusion, and provides the tactile quality that signals premium containment to handlers and end users alike.
What distinguishes 4 mil construction from standard 2 mil bags in small sizes?
At 4 mil, the LDPE film is twice as thick as standard poly bag construction, delivering substantially greater puncture resistance, tear strength, and moisture barrier performance. For small-format bags handling dense, sharp, or high-value contents — like metal jewelry findings, threaded hardware, coin collections, and medical samples — the extra gauge prevents the micro-tears and zipper-stress failures that standard 2 mil construction develops over time in heavy daily use.
What are the dimensions and specifications of F40203?
F40203 bags measure 2 inches wide by 3 inches tall in 4 mil LDPE construction with a reclosable zipper closure. The clear film provides full product visibility for display, identification, and inventory management. The heavy-gauge construction handles repeated open-close cycles without zipper degradation, which matters in high-cycle-count applications like jewelry counter display and hardware bin pick operations.
How do jewelers, bead retailers, and gemstone dealers use 2×3 heavy-gauge bags?
Jewelry boutiques, bead stores, and gemstone wholesalers use 4 mil small bags as the standard containment format for individual pieces, gemstone lots, and component assortments. The heavy gauge prevents sharp metal prongs, faceted stone edges, and metal stampings from puncturing through the bag — a common failure mode with standard 2 mil bags in gemstone and jewelry handling. LK Packaging’s F40203 provides the durability that jewelry professionals demand for protecting valuable inventory.
Are 4 mil 2×3 bags appropriate for pharmaceutical samples and unit-dose packaging?
Yes. Pharmaceutical packaging operations, clinical trial coordinators, and compounding pharmacies use heavy-gauge small bags to contain unit-dose samples, specialty tablet assortments, and small-volume liquid vials where the extra mil thickness provides meaningful barrier and puncture protection. The reclosable zipper maintains dosage unit integrity through multiple handling cycles in clinical settings where bag integrity is a patient safety consideration.
How does LK Packaging supply F40203 in wholesale case quantities?
LK Packaging offers F40203 through NFCbags.com in case quantities with wholesale pricing for jewelers, industrial distributors, pharmaceutical operations, and high-volume small-bag users. The 4 mil construction carries a modest premium over standard-gauge bags, justified by the durability, puncture resistance, and professional quality that heavy-gauge small bags deliver. Contact NFCbags.com for current pricing and case minimums.






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