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![](https://suppliesshops.gumlet.io/images/TY1CExCatKT.jpg "Open End First Class Expansion Tyvek Catalog Envelopes, 12\")
Open End First Class Expansion Tyvek Catalog Envelopes, 12" x 16", 18#, 'First Class Mail' on Face and Flap (Box of 100)
Item Number: E-5399
Pricing:
| Price per Box of 100 | 2+ Boxes | 5+ Boxes | 10+ Boxes | 20+ Boxes |
| $296.04 | $288.87 | $283.13 | $278.81 | $271.44 |
| Volume Savings | 2.4% | 4.4% | 5.8% | 8.3% |
| Need 30+ Boxes? Click here for Pricing | ||||
- Bright White Spun Bonded Olefin
- Flap Down
- Printed First Class Border
- Smooth Finish
- Moisture Resistant
Customers also Purchased
Customers also Purchased...
Description:
12" x 16" x 2", Open End First Class Expansion Tyvek Catalog Envelope, No Window, Tyvek, Tyvek Paper, Paper Color: Bright White, Smooth Finish, Center Seam, Flap Down, Kwik-Tak, Printed Green 1st Class Border, 100 Qty / Box, 100 Qty / Ctn, 8 lbs. per Box
Specifications:
| ASIN: | B005157RSM | Brand: | The Envelope Supplies Shop | |
|---|---|---|---|---|
| Feature 5: | 2" Expansion | Feature 6: | Center Seam | |
| Feature 7: | Open End | Feature 8: | No Window | |
| Feature 9: | Pressure Sensitive Seal | Color: | Bright White | |
| Condition: | New | Currency: | USD | |
| Envelope Style: | Mailer Envelope | Flap Type: | Flap Down | |
| Pre-Printed: | No | Package Length: | 12 in | |
| Package Weight: | 8.00 LB | Package Width: | 16 in | |
| Material: | Tyvek | Country of Origin: | USA | |
| Manufacturer Part Number: | 5399 | Number of Items: | 100 | |
| Number of Windows: | 0 | Open End / Open Side: | Open End | |
| Paper Finish: | Smooth | Seal Type: | Pressure Sensitive Seal | |
| Seam Type: | Center Seam | Ships in: | 10 Business Days (Plus time in transit) | |
| Size: | 12 x 16 in | UPC: | 50008257053997 | |
| Weight of Material: | 18 lb | Window: | No |
| ASIN: | B005157RSM |
|---|---|
| Brand: | The Envelope Supplies Shop |
| Feature 5: | 2" Expansion |
| Feature 6: | Center Seam |
| Feature 7: | Open End |
| Feature 8: | No Window |
| Feature 9: | Pressure Sensitive Seal |
| Color: | Bright White |
| Condition: | New |
| Currency: | USD |
| Envelope Style: | Mailer Envelope |
| Flap Type: | Flap Down |
| Pre-Printed: | No |
| Package Length: | 12 in |
| Package Weight: | 8.00 LB |
| Package Width: | 16 in |
| Material: | Tyvek |
| Country of Origin: | USA |
| Manufacturer Part Number: | 5399 |
| Number of Items: | 100 |
| Number of Windows: | 0 |
| Open End / Open Side: | Open End |
| Paper Finish: | Smooth |
| Seal Type: | Pressure Sensitive Seal |
| Seam Type: | Center Seam |
| Ships in: | 10 Business Days (Plus time in transit) |
| Size: | 12 x 16 in |
| UPC: | 50008257053997 |
| Weight of Material: | 18 lb |
| Window: | No |
Reviews:
We’re currently collecting product reviews for this item. In the meantime, here are some from our past customers sharing their overall shopping experience:
4.8
Out of 5.0
Overall Rating
97%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
February 24, 2026 by Ruben G
“Easy and Quick hope the printing is nice looking.”
January 20, 2026 by Nina R
“Good pricing, easy to order, and fast shipping”
January 8, 2026 by George A
“I hope it's what I'm looking for. Please let it be. LOL Thanks.”
December 3, 2025 by Jimmy D
“Love the reminder that it's time to re-order.”
November 6, 2025 by Robin B
“Claire in customer service was wonderful. Got a small issue with availability on the website handled immediately for me.”
