




#10 Square Flap Envelopes (4 1/8 x 9 1/2) - Yellow 24lb
#15859
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#10 Square Flap Envelopes (4 1/8 x 9 1/2) - Yellow 24lb
Product Details
Product Details
Make a bold and memorable impression with these envelopes, designed to bring both functionality and flair to your correspondence. The vibrant yellow hue adds a lively touch to everyday mailings, ensuring your letters, invitations, or business documents stand out in a sea of standard envelopes. Crafted from high-quality 24lb paper, they offer a smooth, durable surface that resists wear and tear while maintaining a sleek, professional look. The square flap closure provides a secure seal, keeping contents safe during transit while adding a modern touch to your presentation. Measuring 4 1/8 x 9 1/2 inches, they offer ample space for a variety of mailing needs, from business communication to personalized notes. Whether you're looking to enhance your brand presence or simply add a pop of color to your mail, these envelopes combine reliability, sophistication, and a touch of creativity to make every mailing experience exceptional.
- Height: 4.125 inches
- Width: 9.5 inches
- Finish: Smooth
- Material: Paper
- Paper weight: 24
- Closure: Gum
- Flap: Straight Flap
- Envelope size: #10 - 4 1/8 x 9 1/2
- Envelope seam: Side
- Envelope opening: Booklet
Turnaround Time
Processing time
- Standard Plain Processing Time
1 - 2 Days - Custom Print Order Processing
5 - 7 Days
Shipping/transit time is based on the shipping method selected at checkout and begins once the order has completed processing and ships. Visit our shipping policy page for more information.
Return Policy
Returns, exchanges or refunds are accepted when received back within 30 days of purchase.
Please note that custom-made products are uniquely tailored to your specifications, and as such, we are unable to accept returns for these items.
Visit our Returns page for more information on how initiate a return.

Customize Your Order
Whether you want to promote your brand or personalize an invitation, custom printing is available for most products.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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FAQs
Where can I learn about custom orders and sample availability?
For custom orders, please fill out our free quote request form.
View our Samples FAQ
How can I better understand stationery sizes and types?
To help navigate your stationery options (and our recommendations), check out our comprehensive guides on paper weights and envelope sizes, including free, downloadable templates compatible with Microsoft Word.
Visit the Size Guide
How can I reorder items?
Reordering is a breeze! Simply sign in to your account and click the "Reorder" button.
Can I change or cancel my order?
If you are looking to change or cancel your order before processing, please reach out to us and we would be happy to help you.
Once your order has been processed for shipping—or has already shipped—it cannot be canceled. You may refuse the delivery, and the order will be subject to our return policy.
Reseller program payment authorization help
If there’s a reseller program credit card authorization issue, your order will be placed on hold, and our team will contact you immediately to resolve the problem so your envelopes can ship as quickly
as possible.
