20x20 4 Mil Poly Bags
20x20 4 Mil Poly Bags
20x20 poly bags at 4 mil thickness — a industrial-strength parts, hardware, and heavier items where abrasion or sharp edges risk puncture. 4 in-stock SKUs.
Quick facts
| In-stock SKUs | 4 |
|---|---|
| Total options | 4 |
| Price from | $80.53 |
| Price to | $293.00 |
| Average price | $166.46 |
| Materials | poly, clear, pink, anti-static, static |
| Mil thicknesses | 4.0 |
| Pack quantities | 250, 500 |
In-stock options
-
20x20" 4 Mil VCI Poly Bags - Corrosion Protection, Case of 250
-
20x20" 4 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 250
-
20x20 4 Mil Clear Reclosable Poly Bags - Case of 250
-
20x20" 4 Mil Pink Anti-Static Reclosable Poly Bags - Case of 500
When to use
- Soft goods, apparel, textiles, or bulk poly-bagged components.
- Pick thickness (4.0 mil) based on puncture risk and item weight.
- Sealing with impulse sealer, zip top, or lip-and-tape as needed.
When not to use
- Rigid or sharp-cornered goods — use boxes or bubble-lined mailers.
- Items that must not flex during transit.
Frequently asked
Are 20x20 4 mil poly bags in stock?
Yes — 4 in-stock SKUs. Live inventory and case pricing show on every listing.
What's the right mil for 20x20 poly bags?
4 mil is typical for industrial-strength parts, hardware, and heavier items where abrasion or sharp edges risk puncture. Lighter gauges reduce cost; heavier gauges resist abrasion.
Can I see other sizes at this thickness?
Yes — see the [4 mil Poly Bags](/factory/poly_bag_mil/4-mil-poly-bags) hub for every size at 4 mil.