Good fit for cartons that need packing lists, invoices, routing slips, or receiving paperwork attached to the outside. Confirm pouch size, document size, adhesive format, and whether the pouch needs to be clear or printed.

Best For
How to choose
Specs at a Glance
| Material | 2 Mil Clear Polyethylene |
| Dimensions | 4" W x 3" H |
| Document Visibility | Full Transparent Face |
| Sealing Type | Self-Adhesive Back Loading |
| Recyclable | Yes |
Common Use Cases
- Keeping packing lists, invoices, or routing documents visible on cartons.
- Standardizing document pouches across shipping, receiving, or returns stations.
- Reordering by exact product link, SKU, or sold-as quantity.
- Adding the item to a mixed-SKU or recurring supply request when quantity, delivery ZIP code, or timing matters.
What You'll Receive
- This listing is sold as Case of 1000. Check the current product page for variant details, price, availability, and pack count before checkout.
Shipping & Packaging
Frequently Asked Questions
Yes. The clear polyethylene face maintains optical clarity throughout the shipping lifecycle. The 2 mil thickness provides durability without haziness, ensuring barcode scanners and human handlers can read packing slips, invoices, and tracking numbers consistently.
The 2 mil poly delivers adhesion strength specifically engineered for shipping environments. The self-adhesive backing creates a permanent bond that resists moisture, temperature fluctuations, and handling friction, preventing envelope separation without requiring additional tape or fasteners.
Yes. The 2 mil poly construction with sealed edges creates visible tamper evidence. Once the envelope is opened, the adhesive bond breaks visibly, making tampering immediately apparent to customers and fulfillment teams, essential for compliance and loss prevention in high-value shipments.
These envelopes accommodate standard packing slips (folded), invoices, return labels, QR codes, barcodes, and compliance documentation. The compact size is ideal for attaching to package exteriors without creating excessive bulk while keeping critical shipment information immediately visible.
Technical Specifications
| Document Visibility | Full Transparent Face |
| Sealing Type | Self-Adhesive Back Loading |
| Recyclable | Yes |
| Color | Clear |
| Strength / Material | 2 Mil Poly |
| Dimensions (Internal) | 4" × 3" (L × W × H) |
Shipping Information
Outer Carton Dimensions
4" × 3" (L × W × H)
Unit of Measure
CASE
Qty Per Shipping Unit
1000 PER CASE
LTL Freight Class
Class 60
Delivery Method
Shown at checkout
Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.
Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.
For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.
ORDER SUPPORT
Product Support
Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.
Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.
Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.
Contact product supportBuyer guides
Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
4x3" Clear Face Document Envelopes, 2 Mil Poly - Case of 1000
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Compare resources using the current product page data: SKU PL521 , type Packing List Envelopes , sold-as unit CASE / pack count 1000 PER CASE . Confirm the product page price, availability, and selected variant before ordering.
Compare usable size, padding, material, closure, and case quantity.
Product support Compare mailer vs boxUse this guide when item thickness or edge protection affects fit.
Confirm this spec
Confirm SKU PL521, 4 x 3 in, sold-as quantity 1000, price, availability, and checkout delivery before ordering.
- SKU
- PL521
- Summary
- Compare Packrift SKU PL521: size 4 x 3, clear poly, clear color, 2.0 mil, 1000 pack. See verified specs, price, availability, reorder path, and bulk quote.
- Material
- 2 Mil Clear Polyethylene
- Dimensions
- 4" W x 3" H
- Document Visibility
- Full Transparent Face
Use product support if the case quantity, material, or workflow fit needs review before a repeat order.



