LK Packaging 3×4 Double-Track 4 Mil Reclosable Bags (F40304DT)
LK Packaging’s F40304DT brings double-track zipper security to the high-volume 3×4 inch heavy-gauge format — combining 4 mil LDPE puncture resistance with a dual-groove closure that provides superior seal security over standard single-track zippers. The F40304DT is specified by pharmaceutical operations, medical device packagers, and security-sensitive small-item applications where both physical bag integrity and closure verification are simultaneously critical.
What does the double-track zipper on F40304DT provide that standard zippers don’t?
The double-track closure engages two parallel zipper grooves simultaneously — creating a dual-seal barrier that resists accidental opening more effectively than single-track alternatives. For medication management, evidence packaging, and high-value small-item containment, the DT closure provides an audible and tactile confirmation that both tracks are fully engaged, reducing handling errors and providing an additional verification step for chain-of-custody applications where closure integrity documentation matters.
What are the dimensions and specifications of F40304DT?
F40304DT bags measure 3 inches wide by 4 inches tall in 4 mil LDPE construction with a double-track reclosable zipper. The clear film provides product visibility for display and inspection. The 3×4 format provides comfortable handling space for unit-dose pharmaceutical packages, small device components, and security-sensitive items that require both heavy-gauge film and positive-seal double-track closure.
How do hospital pharmacies use double-track heavy bags for unit-dose medication packaging?
Hospital pharmacy departments, nursing home medication dispensaries, and home health agencies use DT heavy bags for unit-dose and multi-dose medication packaging where additional closure security reduces medication error risk. The double-track zipper reduces the likelihood of accidental bag opening during transport on medication carts, in patient rooms, and during administration preparation — a meaningful safety improvement for patients with limited dexterity or in busy clinical environments with multiple simultaneous medication handlings.
Are double-track 4 mil bags applicable for evidence and legal chain-of-custody?
Yes. Law enforcement evidence management, legal discovery packaging, and insurance claims operations use heavy-gauge double-track bags for small evidence items where physical integrity and documented seal verification are required throughout the chain of custody. The DT closure provides a more verifiable seal state than single-track alternatives, supporting documentation standards for evidence admissibility and insurance claim processing.
How does LK Packaging supply F40304DT in wholesale quantities?
LK Packaging makes F40304DT available through NFCbags.com in case quantities for pharmaceutical operations, security applications, and specialized industrial buyers requiring double-track heavy-gauge small bags. Contact NFCbags.com for current pricing and case quantities for 3×4 DT heavy-gauge bags.






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