4x5 Heavy Duty Flat Poly Bags - 4 Mil Industrial Packaging by LK Packaging
These 4x5 inch flat poly bags deliver serious protection in a compact size. At 4 mil thickness, these heavy-duty LDPE bags handle demanding applications where standard 2 mil bags fall short. Perfect for packaging small metal parts, fasteners, and components that require puncture-resistant protection during storage and transit.
Product Specifications
- Dimensions: 4" x 5" flat (lay-flat design)
- Material: Low Density Polyethylene (LDPE)
- Thickness: 4 mil (0.004") - Heavy Duty
- Quantity: 2,000 bags per case
- Color: Crystal clear
- Manufacturer: LK Packaging
Applications
The 4 mil thickness makes these bags ideal for industrial and commercial operations handling sharp or heavy small parts. Hardware distributors use them for packaging screws, bolts, nuts, washers, and specialty fasteners. Manufacturing facilities rely on this size for organizing assembly components, machined parts, and precision hardware. Automotive and aerospace operations appreciate the puncture resistance when bagging metal fittings and connectors. Jewelry manufacturers and craft suppliers also use these for protecting findings, clasps, and metal components.
Key Features
- 4 Mil Heavy Duty: Double the thickness of standard poly bags for superior puncture and tear resistance
- Crystal Clear LDPE: Easy visual identification of contents without opening
- Flexible yet Durable: LDPE material conforms to irregular shapes while maintaining protection
- Bulk Case Quantity: 2,000 bags per case reduces reorder frequency for high-volume operations
Thickness Guide
Choosing the right mil thickness matters. At 4 mil, these bags are classified as heavy duty—ideal for metal parts, sharp objects, and items that would puncture lighter bags. Standard 2 mil works for general packaging, while 4 mil provides the extra durability needed for industrial applications.
Why Choose Prism Pak
Prism Pak offers wholesale pricing on LK Packaging poly bags with fast shipping from our Pennsylvania warehouse. We stock a full range of sizes and thicknesses for commercial and industrial operations.
