12x24 Heavy Duty 4 Mil Flat Poly Bags - Industrial-Grade Parts Protection
These 12x24 flat poly bags deliver serious puncture resistance with a full 4 mil wall thickness. The extra-heavy construction handles sharp edges, metal parts, and heavy components without tearing. Manufactured by LK Packaging from virgin LDPE material, these bags meet the demands of industrial parts storage, manufacturing operations, and heavy-duty packaging applications.
Product Specifications
- Dimensions: 12" x 24" flat
- Material: Low Density Polyethylene (LDPE)
- Thickness: 4 mil (0.004") - Extra Heavy Duty
- Quantity: 500 bags per case
- Construction: Seamless tubing, no side seals
- Manufacturer: LK Packaging (Elkay)
- Compliance: FDA compliant for food contact
Applications
The 4 mil thickness makes these bags ideal for demanding industrial environments. Manufacturing facilities use this size for packaging machined parts, castings, and metal components where sharp edges would puncture thinner materials. Automotive and aerospace operations rely on heavy-duty bags for hardware kits, fastener sets, and assembly components. The 12x24 dimensions accommodate longer parts like brackets, rails, and structural components while providing full coverage protection.
Beyond industrial parts, these bags serve equipment protection, tool storage, and heavy merchandise packaging. E-commerce operations shipping metal goods, hardware, or heavy items benefit from the tear-resistant construction. The generous 24-inch length handles elongated items that exceed standard bag sizes.
Key Features
- 4 Mil Thickness: Maximum puncture resistance for sharp edges and heavy parts
- Seamless Construction: Made from continuous tubing with no side seals that can split or tear
- Virgin LDPE Material: Consistent clarity and strength with FDA-compliant virgin resin
- Flexible Yet Durable: LDPE provides excellent tear resistance while remaining pliable for easy loading
- Open-Top Design: Quick loading and easy heat sealing or closure with ties/tape
Thickness Guide
At 4 mil, these bags sit at the heavy-duty end of the thickness spectrum. For reference: 1.5 mil handles lightweight items and dust protection, 2 mil covers general-purpose applications, 3 mil provides medium-heavy protection, and 4 mil delivers maximum puncture resistance for industrial parts and sharp objects. Choose 4 mil when standard bags would tear or when contents demand extra protection during handling and transit.
Why Choose Prism Pak
Prism Pak stocks LK Packaging poly bags for immediate shipment at wholesale pricing. Our 500-count cases provide operational quantities for manufacturing and distribution operations without excessive minimums.