Both pallet covers and stretch wrap protect palletized goods during shipping and storage, but they solve different problems. Understanding which to use — and when to use both together — can save you damage claims and material costs.
Side-by-Side Comparison
| Property | Pallet Covers | Stretch Wrap |
|---|---|---|
| Primary Purpose | Moisture/dust protection from top | Load stability and unitization |
| Moisture Barrier | Excellent — fully sealed top | Moderate — gaps between layers |
| Dust Protection | Excellent | Good on sides, poor on top |
| Load Stability | None — doesn’t hold load together | Excellent — cinches load tight |
| UV Protection | Available (black or UVI film) | Limited |
| Application | Drop over pallet top, tuck sides | Wrap around pallet with machine or by hand |
| Speed | Fast — 10 seconds per pallet | Slower — 1-3 minutes per pallet |
| Material Cost | Higher per unit ($1-3/cover) | Lower per unit ($0.30-1/pallet) |
| Equipment Needed | None | Stretch wrapper or hand dispenser |
| Reusability | Sometimes (if undamaged) | No — single use |
When to Choose Pallet Covers (Poly Sheeting Bags)
- Products are moisture-sensitive and stored outdoors or in non-climate warehouses
- Goods ship via open truck or flatbed where rain exposure is possible
- You need quick top-down dust protection during warehouse staging
- The pallet is already stable (heavy, uniform boxes) and just needs weather protection
When to Choose Stretch Wrap (Stretch Film)
- Load stability is the primary concern — boxes shifting during transit
- You need to unitize mixed-size boxes into a single stable pallet
- High-volume palletizing operations where speed and cost per pallet matter
- Products aren’t moisture-sensitive and just need to stay put
The Bottom Line
For most operations, the answer is both. Stretch wrap the pallet for load stability, then drop a pallet cover on top for moisture and dust protection. This combination costs about $1.50-3.00 per pallet and eliminates the two most common causes of shipping damage: load shifting and water exposure. If budget forces a choice, prioritize stretch wrap for stability and add covers only for moisture-sensitive loads.
Need help choosing the right packaging for your application? Request a quote from Flexible Poly Industries or call (626) 250-2030. We will recommend the best material, size, and gauge for your specific needs.
This article is for informational purposes only. Product specifications may vary by manufacturer. Contact us to confirm availability and specifications for your application.