4x12 Flat Poly Bags - Heavy-Duty Industrial Packaging
These 4x12 inch flat poly bags deliver heavy-duty protection at 4 mil thickness, making them ideal for industrial parts, hardware, and applications requiring puncture resistance. Made from 100% virgin low-density polyethylene (LDPE) that meets FDA and USDA specifications for food contact applications.
Product Specifications
- Dimensions: 4" x 12" flat
- Material: 100% virgin low-density polyethylene (LDPE)
- Thickness: 4 mil (heavy duty)
- Quantity: 1,000 bags per case
- Compliance: FDA and USDA compliant for food contact
- Seal Type: Open end, heat-sealable
Commercial Applications
The 4 mil thickness provides superior puncture and tear resistance compared to standard 2 mil bags. Manufacturing operations use this size for packaging small metal parts, fasteners, and precision components that could puncture lighter-gauge materials. Hardware distributors rely on heavy-duty poly bags for screws, bolts, and sharp-edged items. The 4x12 dimension accommodates elongated parts, tools, and cylindrical items. Maintenance departments stock these bags for organizing and protecting replacement parts and supplies.
Key Features
- Heavy-Duty Construction: 4 mil thickness resists punctures from sharp edges and pointed objects
- FDA/USDA Compliant: Virgin LDPE meets food contact requirements for dual-use applications
- Heat-Sealable: Compatible with impulse sealers for tamper-evident packaging
- Crystal Clear: Transparent material allows visual inspection without opening
- Moisture Resistant: Protects contents from humidity and environmental exposure
Thickness Guide
At 4 mil, these bags fall into the heavy-duty category suitable for industrial and commercial applications. For comparison: 2 mil bags serve general-purpose needs, while 4 mil provides the puncture resistance required for metal parts, tools, and sharp-edged items. Choose 6 mil for extreme-duty applications with very sharp or abrasive contents.
Why Choose Prism Pak
Prism Pak offers wholesale pricing on heavy-duty poly bags with fast shipment from our Berwick, PA warehouse. Stock quantities ship within 24 hours for commercial and industrial customers.
