Shipping managers and fulfillment supervisors who need reliable document protection during transit. These 4 1/2" x 6" orange poly envelopes with pre-printed "Packing List Enclosed" messaging ensure invoices, receipts, and packing lists stay secure and visible throughout the supply chain. The 2 mil polyethylene construction provides durability without bulk, making them ideal for high-volume operations.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | 2 Mil Polyethylene |
| Dimensions | 4 1/2" W x 6" H |
| Imprint | Packing List Enclosed (pre-printed) |
| Case Quantity | 1,000 Envelopes per Case |
| Recyclable | Yes |
Common Use Cases
- Securing packing slips inside or on packages during shipment Protecting invoices and receipts from moisture and handling damage Organizing order documentation in e-commerce fulfillment operations Labeling packages in multi-location distribution centers High-volume shipping environments requiring quick document identification
What You'll Receive
- 1,000 Pre-Printed Packing List Envelopes (4 1/2" x 6") Self-Adhesive Backing (ready to apply)
Shipping & Packaging
Frequently Bought Together
Bundle & Save 5%Frequently Asked Questions
These 4 1/2" x 6" envelopes accommodate folded documents, receipts, invoices, and packing slips. For unfolded 8.5" x 11" documents, consider our larger envelope sizes in this series.
Yes. The 2 mil poly material and adhesive are engineered for reliable adhesion across temperature ranges and moisture conditions typical in shipping operations.
Calculate based on average daily shipments: (daily shipments x 30 days) / 1,000 envelopes per case. Most mid-sized fulfillment centers reorder monthly or bi-monthly to optimize storage.
Standard messaging is pre-printed and ready to ship. Contact our sales team for custom imprinting options on bulk orders (typically 5+ cases).
Technical Specifications
| Material | 2 Mil Polyethylene |
| Dimensions | 4 1/2" W x 6" H |
| Imprint | Packing List Enclosed (pre-printed) |
| Case Quantity | 1,000 Envelopes per Case |
| Recyclable | Yes |
| Color | Orange |
| Strength / Material | 2 Mil Poly |
| Dimensions (Internal) | 4 1/2"" × 6"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
10.0" × 7.5" × 4.75" (L × W × D)
Unit of Measure
CASE
Qty Per Shipping Unit
1000 PER CASE
LTL Freight Class
Class 60
Carrier Eligibility
UPS Ground & Freight Eligible
TRUST & RELIABILITY
Product Support
We aim to show product specs, case quantities, and availability clearly. Contact support if an item does not match the listed product details.
Buyer guides
Pick the right material, size, and gauge before you order.