4.5x5.5" Red Packing List Envelopes 2mil Poly - 1000/Case

$39.81
/ case of 1000$0.04 per envelope
Request bulk pricing
Ships from the nearest of 5 US warehouses · freight calculated at checkout
30-day returns on stock items · Return policy
Inside dimensions
4 1/2" × 5.5"
Board / material
2 Mil Poly
Color
Red
Freight class
Class 60
Specifications
| Inside dimensions | 4 1/2" × 5.5" (L × W) |
|---|---|
| Board / material | 2 Mil Poly |
| Color | Red |
| Sold as | Case of 1000 |
| Order in multiples of | 1 |
| Case weight | 6.42 lb |
| Outer carton (shipping) | 10.0 × 6.25 × 4.75 in |
| LTL freight class | Class 60 |
| GTIN | 848109007977 |
| SKU | PL438 |
About this item
SKU PL438 — 4 1/2" × 5.5", 2 Mil Poly, Red. Sold as a case of 1000, shipped from US warehouses.
Common questions
Will these adhesive-backed envelopes stick permanently to my shipping boxes?
Yes. The 2 mil poly construction features strong permanent adhesive that bonds securely to corrugated cardboard, kraft paper, plastic, and most shipping surfaces. Once applied, the envelopes will not lift or peel during standard shipping and handling conditions.
Are these envelopes waterproof and weather-resistant?
Yes. The 2 mil polyethylene material provides excellent moisture and weather resistance, protecting enclosed documents from rain, humidity, and condensation during outdoor storage or transit. This makes them ideal for temperature-sensitive and climate-exposed shipments.
Can I use these for compliance documentation and tracking labels?
Absolutely. The bright red color makes compliance documents, safety labels, and special handling instructions immediately visible to warehouse staff and carriers. The adhesive backing ensures labels stay attached throughout the entire shipping process.
What's the best way to order in bulk for consistent fulfillment supply?
Each case contains 1,000 units, providing approximately 2-4 weeks of supply for most mid-size shipping operations. We recommend ordering 2-3 cases at a time to maintain inventory while qualifying for volume discounts and reducing reorder frequency.
Order support
Questions on specs or freight?
Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.



