Model No:P1950
Stayflats Mailers - 9 x 11 1/2", White, Self-Seal
White Self-Seal Mailers
Keep It Flat with SupplyLand’s Rigid Mailers!
Professional Mailers: Our Premium white gloss finish self-seal mailers deliver a first-class look.
Perfect for Shipping: Our white self-seal mailers are perfect for sending or storing important documents, photos, diplomas, and more safely. They keep documents flat and protected without any bends or creases.
Eco-Friendly Protection: Made from 100% recycled clay coated newsback.It is renowned for its resistance to moisture and tearing.
Seal and Ship: With an easy self-seal closure, packing is fast and secure. Simply press to seal—no hassle, no stress!
Tear to Open: The built-in tear strip ensures your recipients can open the mailers effortlessly, making the unboxing experience smooth and frustration-free.
Open with Ease: These tab-locking kraft StayFlat mailers make it easy for your customers to unbox their items.
Built Tough: Our non-bendable mailers have a strong center seam. This design gives them maximum rigidity. It keeps your items flat and secure during shipping.
Order with Confidence: Available in a range of sizes, our kraft self-seal mailers are perfect for any envelope order and provide the ultimate protection for your important flat items.
Pack it up, ship it, and forget it! SupplyLand’s selection of packing and shipping supplies includes everything you need to pack and ship products effectively. From boxes, tape, mailers, and poly bags to labels and packing paper, SupplyLand has you covered with wholesale prices.
Qty / Case : 100
Stayflats Mailers - 9 x 11 1/2", White, Self-Seal
P1950

White Self-Seal Mailers
Keep It Flat with SupplyLand’s Rigid Mailers!
Professional Mailers: Our Premium white gloss finish self-seal mailers deliver a first-class look.
Perfect for Shipping: Our white self-seal mailers are perfect for sending or storing important documents, photos, diplomas, and more safely. They keep documents flat and protected without any bends or creases.
Eco-Friendly Protection: Made from 100% recycled clay coated newsback.It is renowned for its resistance to moisture and tearing.
Seal and Ship: With an easy self-seal closure, packing is fast and secure. Simply press to seal—no hassle, no stress!
Tear to Open: The built-in tear strip ensures your recipients can open the mailers effortlessly, making the unboxing experience smooth and frustration-free.
Open with Ease: These tab-locking kraft StayFlat mailers make it easy for your customers to unbox their items.
Built Tough: Our non-bendable mailers have a strong center seam. This design gives them maximum rigidity. It keeps your items flat and secure during shipping.
Order with Confidence: Available in a range of sizes, our kraft self-seal mailers are perfect for any envelope order and provide the ultimate protection for your important flat items.
Pack it up, ship it, and forget it! SupplyLand’s selection of packing and shipping supplies includes everything you need to pack and ship products effectively. From boxes, tape, mailers, and poly bags to labels and packing paper, SupplyLand has you covered with wholesale prices.
- Product Info
- Specifications
- FAQs
- Options
- None
Weight:
- Unit Wt. (lbs.): 20

Dimensions:
- Dimensions in the chart do not include flap.
- The Mailer # listed in the chart is the industry standard for that size mailer.
Thickness:
- .028"
Material:
- Clay coated newsback
- Semi-gloss coating
Recycling:
- Recycled Content: 100%
- Post-consumer: Minimum 35%Â
FAQs for White Self-Seal Non-Bendable Mailers
What makes White Self-Seal StayFlat Mailers ideal for shipping?
Our White Self-Seal Mailers are non-bendable, meaning they keep important documents, photos, and diplomas flat and protected without creases or bends during shipping.
Are these StayFlat mailers eco-friendly?
Yes! Made from 100% recycled clay-coated newsback, it is renowned for its resistance to moisture and tearing, offering an environmentally responsible choice for shipping.
How do I seal the mailer envelopes?
It's simple! Our self-seal mailer envelopes are easy to use—just press to seal! For tuck-in tab-locking options, simply secure the tab for a strong closure. Both styles provide reliable protection.
Can recipients open these white self-seal mailing envelopes easily?
Absolutely! Our envelope mailers come with a built-in tear strip, so opening them is fast and frustration-free.
How durable are these white StayFlat mailers?
Very durable! With a strong center seam, our non-bendable mailers offer maximum rigidity, keeping your items safe during transit.
What sizes are available?
We offer a range of sizes to fit different shipping needs, ensuring your Kraft Self-Seal Mailers work for any flat item you need to ship.
P1955: 6 x 8" for 5 x 7" photos
P1956: 7 x 9" for photo books
P1957: 9 x 11 1/2" for 8 x 10" photos
P1959: 9 3/4 x 12 1/4" for documents and photos
P1960: 11 x 13 1/2" for diplomas and certificates
P1961: 12 3/4 x 15" for legal-size documents
P1962: 13 x 18" for art prints
P1963: 17 x 21" for posters
P1964: 18 x 24" for posters and prints
P1965: 20 x 27" for desktop calendars
What types of StayFlat mailers do you offer?
Brown (Kraft) StayFlat Mailers with Tuck-In Tabs
Self-Seal Brown (Kraft) StayFlat Mailers
White StayFlat Mailers with Tuck-In Tabs
Self-Seal White StayFlat Mailers
White StayFlat Mailers Side Loading
Side Loading Expansion StayFlat White Mailers
Each mailer is designed to keep your items flat and secure during transit.
What features do these non-bendable mailers have?
Our envelopes feature a strong center seam construction for maximum rigidity, preventing bending and creasing. They also come with self-seal options for quick and secure closure, and the tab-locking design offers additional protection. The tear strip allows for easy opening, making these mailers convenient for both sender and recipient.
Are StayFlat mailers considered rigid?
Yes, StayFlat mailers are rigid. Their durable construction keeps documents, photos, and other flat items safe and unbent during shipping.
Can I ship StayFlat mailers with stamps?
Yes, but it depends on the weight and size of the mailer. If the mailer is lightweight and meets USPS guidelines, you can use stamps. However, for heavier or larger mailers, it’s recommended to check with your post office or use a shipping label.
Are these self-seal mailers environmentally friendly?
Yes! Our mailing envelopes are made from 100% recycled paperboard, with 85% post-consumer waste. They are also 100% recyclable, making them a sustainable choice for your shipping needs.
How do I mail StayFlat mailers?
To mail StayFlat mailers, place your items inside, seal the mailer with the self-seal or tab-locking closure, and attach the correct postage or shipping label. You can use stamps for lighter items, but for heavier mailers, consider using a shipping service.
Why settle for ordinary when you can partner with a team that’s as passionate about supplies as you are?
Choose SupplyLand for a wide range of quality packaging supplies. We offer everything from corrugated boxes to envelopes & mailers, and tapes. We have what you need for all your shipping needs.
Explore our Corrugated Mailers for a sturdy shipping solution when shipping heavier items. They offer extra protection, perfect for secure transit of your shipping products.
Exclusive Perks: Take advantage of bulk pricing, fast shipping, and special discounts on large orders. Enjoy complimentary gifts on orders over $150 at SupplyLand for a delightful shopping experience!
Weight:
- Unit Wt. (lbs.): 20

Dimensions:
- Dimensions in the chart do not include flap.
- The Mailer # listed in the chart is the industry standard for that size mailer.
Thickness:
- .028"
Material:
- Clay coated newsback
- Semi-gloss coating
Recycling:
- Recycled Content: 100%
- Post-consumer: Minimum 35%Â
FAQs for White Self-Seal Non-Bendable Mailers
What makes White Self-Seal StayFlat Mailers ideal for shipping?
Our White Self-Seal Mailers are non-bendable, meaning they keep important documents, photos, and diplomas flat and protected without creases or bends during shipping.
Are these StayFlat mailers eco-friendly?
Yes! Made from 100% recycled clay-coated newsback, it is renowned for its resistance to moisture and tearing, offering an environmentally responsible choice for shipping.
How do I seal the mailer envelopes?
It's simple! Our self-seal mailer envelopes are easy to use—just press to seal! For tuck-in tab-locking options, simply secure the tab for a strong closure. Both styles provide reliable protection.
Can recipients open these white self-seal mailing envelopes easily?
Absolutely! Our envelope mailers come with a built-in tear strip, so opening them is fast and frustration-free.
How durable are these white StayFlat mailers?
Very durable! With a strong center seam, our non-bendable mailers offer maximum rigidity, keeping your items safe during transit.
What sizes are available?
We offer a range of sizes to fit different shipping needs, ensuring your Kraft Self-Seal Mailers work for any flat item you need to ship.
P1955: 6 x 8" for 5 x 7" photos
P1956: 7 x 9" for photo books
P1957: 9 x 11 1/2" for 8 x 10" photos
P1959: 9 3/4 x 12 1/4" for documents and photos
P1960: 11 x 13 1/2" for diplomas and certificates
P1961: 12 3/4 x 15" for legal-size documents
P1962: 13 x 18" for art prints
P1963: 17 x 21" for posters
P1964: 18 x 24" for posters and prints
P1965: 20 x 27" for desktop calendars
What types of StayFlat mailers do you offer?
Brown (Kraft) StayFlat Mailers with Tuck-In Tabs
Self-Seal Brown (Kraft) StayFlat Mailers
White StayFlat Mailers with Tuck-In Tabs
Self-Seal White StayFlat Mailers
White StayFlat Mailers Side Loading
Side Loading Expansion StayFlat White Mailers
Each mailer is designed to keep your items flat and secure during transit.
What features do these non-bendable mailers have?
Our envelopes feature a strong center seam construction for maximum rigidity, preventing bending and creasing. They also come with self-seal options for quick and secure closure, and the tab-locking design offers additional protection. The tear strip allows for easy opening, making these mailers convenient for both sender and recipient.
Are StayFlat mailers considered rigid?
Yes, StayFlat mailers are rigid. Their durable construction keeps documents, photos, and other flat items safe and unbent during shipping.
Can I ship StayFlat mailers with stamps?
Yes, but it depends on the weight and size of the mailer. If the mailer is lightweight and meets USPS guidelines, you can use stamps. However, for heavier or larger mailers, it’s recommended to check with your post office or use a shipping label.
Are these self-seal mailers environmentally friendly?
Yes! Our mailing envelopes are made from 100% recycled paperboard, with 85% post-consumer waste. They are also 100% recyclable, making them a sustainable choice for your shipping needs.
How do I mail StayFlat mailers?
To mail StayFlat mailers, place your items inside, seal the mailer with the self-seal or tab-locking closure, and attach the correct postage or shipping label. You can use stamps for lighter items, but for heavier mailers, consider using a shipping service.
Why settle for ordinary when you can partner with a team that’s as passionate about supplies as you are?
Choose SupplyLand for a wide range of quality packaging supplies. We offer everything from corrugated boxes to envelopes & mailers, and tapes. We have what you need for all your shipping needs.
Explore our Corrugated Mailers for a sturdy shipping solution when shipping heavier items. They offer extra protection, perfect for secure transit of your shipping products.
Exclusive Perks: Take advantage of bulk pricing, fast shipping, and special discounts on large orders. Enjoy complimentary gifts on orders over $150 at SupplyLand for a delightful shopping experience!

