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![](https://suppliesshops.gumlet.io/images/W-3138.JPG "#10 Postage Meter Window Envelopes, 4-1/8\")
#10 Postage Meter Window Envelopes, 4-1/8" x 9-1/2", 24# White, Diagonal Seam, Blue Wesco Tint, Poly Window (Box of 500)
Item Number: W-3138
Pricing:
| Price per Box of 500 | 2+ Boxes | 5+ Boxes | 10+ Boxes | 20+ Boxes |
| $60.82 | $54.92 | $51.30 | $50.06 | $48.84 |
| Volume Savings | 9.7% | 15.7% | 17.7% | 19.7% |
| Need 30+ Boxes? Click here for Pricing | ||||
- White Sulphite (SFI CERTIFIED)
- 92% Brightness
- Vellum Finish
- Blue Wesco Inside Tint
- Diagonal Seam
Customers also Purchased
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Description:
Make mailings easy with #10 postage meter window envelopes from The Supplies Shops. The notable feature of these envelopes, is that they have a bottom flap to seal the envelope. Measuring 4-1/8" x 9-1/2", they’re made of #24 white sulphite paper stock, have a brightness rating of 92%, and feature a blue Wesco inside tint. They are also SFI-certified and have a poly window, a diagonal seam, a remoistening seal, and a smooth vellum finish. Each box contains 500 envelopes.
Order now and get free shipping when you spend more than $99. You’ll also get a volume discount of more than 17% when you order 10 or more boxes. Have questions about our #10 postage metered window envelopes or any of the other products we offer? Our friendly customer service representatives are standing by and eager to help. Just send us an email at [email protected] or give us a call toll free at 855-632-8520. You can also ask us about our customization options, including custom-printed envelopes, business forms, adhesive tape, printed labels, and more.
Downloads:
Specifications:
| ASIN: | B0051581UA | Brand: | The Envelope Supplies Shop | |
|---|---|---|---|---|
| Brightness Rating: | 92% | Feature 6: | Poly Window | |
| Feature 7: | Remoistening Seal | Feature 8: | Flap Down | |
| Color: | White | Condition: | New | |
| Currency: | USD | Envelope Number: | #10 | |
| Envelope Style: | Business Envelope | Flap Type: | Flap Down | |
| Pre-Printed: | No | Package Length: | 4-1/8 in | |
| Package Weight: | 7.00 LB | Package Width: | 9-1/2 in | |
| Material: | Paper Stock | Country of Origin: | USA | |
| Manufacturer Part Number: | 3138 | Number of Items: | 500 | |
| Number of Windows: | 1 | Open End / Open Side: | Open Side | |
| Paper Finish: | Vellum | Seal Type: | Remoistening Seal | |
| Seam Type: | Diagonal Seam | Ships in: | 1 to 3 Business Days (Plus time in transit) | |
| Size: | 4-1/8 x 9-1/2 in | Standards: | SFI Certified | |
| Tint Color: | Blue | Tint Style: | Blue Wesco Inside Tint | |
| UPC: | 10008257031386 | Weight of Material: | 24 lb | |
| Window: | Yes | Window Length: | 1-1/8 in | |
| Window Material: | Poly Window | Window Placement: | 4 in From Left, 2-1/2 in From Bottom | |
| Window Placement from Bottom: | 2-1/2 in | Window Placement from Left: | 4 in | |
| Window Size: | 1-1/8 x 4-3/4 in | Window Width: | 4-3/4 in |
| ASIN: | B0051581UA |
|---|---|
| Brand: | The Envelope Supplies Shop |
| Brightness Rating: | 92% |
| Feature 6: | Poly Window |
| Feature 7: | Remoistening Seal |
| Feature 8: | Flap Down |
| Color: | White |
| Condition: | New |
| Currency: | USD |
| Envelope Number: | #10 |
| Envelope Style: | Business Envelope |
| Flap Type: | Flap Down |
| Pre-Printed: | No |
| Package Length: | 4-1/8 in |
| Package Weight: | 7.00 LB |
| Package Width: | 9-1/2 in |
| Material: | Paper Stock |
| Country of Origin: | USA |
| Manufacturer Part Number: | 3138 |
| Number of Items: | 500 |
| Number of Windows: | 1 |
| Open End / Open Side: | Open Side |
| Paper Finish: | Vellum |
| Seal Type: | Remoistening Seal |
| Seam Type: | Diagonal Seam |
| Ships in: | 1 to 3 Business Days (Plus time in transit) |
| Size: | 4-1/8 x 9-1/2 in |
| Standards: | SFI Certified |
| Tint Color: | Blue |
| Tint Style: | Blue Wesco Inside Tint |
| UPC: | 10008257031386 |
| Weight of Material: | 24 lb |
| Window: | Yes |
| Window Length: | 1-1/8 in |
| Window Material: | Poly Window |
| Window Placement: | 4 in From Left, 2-1/2 in From Bottom |
| Window Placement from Bottom: | 2-1/2 in |
| Window Placement from Left: | 4 in |
| Window Size: | 1-1/8 x 4-3/4 in |
| Window Width: | 4-3/4 in |
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.
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.”
November 3, 2025 by Shawn S
“Never have an issue. Always get what I order and quickly as well.”
