7 x 12 Heavy Duty Flat Poly Bags - 4 Mil Industrial Strength by LK Packaging
These 7x12 flat poly bags from LK Packaging deliver serious puncture resistance at 4 mil thickness - more than double standard packaging film. Built for industrial parts, hardware components, and any application where durability matters. Sold in economical 1,000-count cases for high-volume operations.
Product Specifications
- Dimensions: 7" x 12" flat lay
- Material: Low Density Polyethylene (LDPE)
- Thickness: 4 mil (0.004") - Heavy Duty
- Quantity: 1,000 bags per case
- Seal Type: Open-end flat bag
- Compliance: FDA compliant for food contact
- Manufacturer: LK Packaging
Industrial Applications
The 4 mil thickness makes these bags ideal for demanding industrial environments. Automotive shops rely on this size for spark plugs, gaskets, and small engine components. Electronics manufacturers use them for circuit boards, connectors, and cable assemblies where static isn't a concern. Hardware distributors package fastener kits, hinges, and drawer pulls. Machine shops protect finished parts from oil, dust, and handling damage during storage and transit.
Why 4 Mil Thickness?
Standard 2 mil bags work for lightweight items, but sharp edges, metal parts, and rough handling demand more. At 4 mil, these LDPE bags resist punctures from screws, bolts, and irregular shapes that would tear thinner films. The extra thickness also provides superior moisture barrier protection for long-term storage of corrosion-sensitive components.
Key Features
- Puncture Resistant: 4 mil construction handles sharp hardware and industrial parts
- Crystal Clear: Easy visual identification without opening - speeds inventory checks
- Versatile Sealing: Heat seal, tape, twist tie, or fold-over closure options
- Moisture Barrier: LDPE provides reliable protection against humidity and condensation
- Food Safe: FDA compliant for food contact applications when needed
Sizing Guide
The 7x12 dimension accommodates parts up to approximately 6" x 11" with room for closure. Common items that fit well: automotive hardware kits, electrical components, plumbing fittings, hand tool accessories, and small manufactured parts. For bulkier items, consider gusseted bags or larger flat bag sizes.
Why Choose Prism Pak for LK Packaging Products
Prism Pak stocks the full LK Packaging line at wholesale prices with fast shipping from our Berwick, PA warehouse. Case quantities keep your per-bag cost low while ensuring you have reliable inventory for production runs and fulfillment operations.
