Knowledge Center
Guides, articles, and insights for packaging buyers and manufacturers.
What Is LDPE? A Simple Guide for Buyers
A plain-English overview of low-density polyethylene and what it means for your packaging.
LDPE vs LLDPE — What's the Difference?
Compare LDPE and LLDPE resins to choose the right material for clarity, strength, and puncture resistance.
How Poly Bag Thickness (Mil) Affects Strength
Learn how poly bag thickness measured in mil affects strength, durability, and performance. Choose the right mil for your application.
Wicket Bags vs Staple Pack Bags — Which Should You Choose?
Compare wicket bags and staple pack bags to choose the right high-speed packaging format for your operation.
How to Choose the Right Gusseted Bag
Learn how to select the right gusseted bag style, size, material, and thickness for your packaging application.
How Custom Poly Bags Reduce Packaging Costs
Discover how custom poly bags can reduce material waste, improve packing speed, cut freight costs, and protect products better than off-the-shelf packaging.
How to Measure Poly Bags and Find the Right Size
Learn how to measure poly bags correctly and find the right size for your product. California Plastix explains width, length, gusset, and thickness sizing for custom poly bags.