Model No:P11411
Side Loading StayFlats Lite Mailers, 9 x 7", White, Peel and Seal
Side Loading StayFlat Mailers
Keep It Flat with SupplyLand’s Rigid Mailers!
- Professional Mailers: Our Premium white gloss finish self-seal mailers deliver a first-class look.
- Easy to Load: The convenient side-loading design makes it simple to insert documents, posters, and prints without hassle. It keeps documents flat and protected without any bends or creases.
- Perfect for: Shipping marketing materials, prints, and posters with confidence that they will arrive flat and intact is ideal.
- Eco-Friendly Protection: Made from 100% recycled paperboard. Our non-bendable mailers are both tough and environmentally responsible.
- 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.
- Built Tough: Our non-bendable mailing envelopes 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 various sizes, our side-loading 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. SupplyLand offers everything you need, from corrugated boxes and tape to corrugated mailers and poly bags.
Qty / Case : 200
Side Loading StayFlats Lite Mailers, 9 x 7", White, Peel and Seal
P11411

Side Loading StayFlat Mailers
Keep It Flat with SupplyLand’s Rigid Mailers!
- Professional Mailers: Our Premium white gloss finish self-seal mailers deliver a first-class look.
- Easy to Load: The convenient side-loading design makes it simple to insert documents, posters, and prints without hassle. It keeps documents flat and protected without any bends or creases.
- Perfect for: Shipping marketing materials, prints, and posters with confidence that they will arrive flat and intact is ideal.
- Eco-Friendly Protection: Made from 100% recycled paperboard. Our non-bendable mailers are both tough and environmentally responsible.
- 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.
- Built Tough: Our non-bendable mailing envelopes 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 various sizes, our side-loading 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. SupplyLand offers everything you need, from corrugated boxes and tape to corrugated mailers and poly bags.
- Product Info
- Specifications
- FAQs
- Options
- None
Weight:
- Unit Wt. (lbs.): 17

Dimensions:
- Dimensions in the chart do not include flap.
- Usable: 8 1/2 x 6 3/4"
- Based on contents no more than 1/4" thick.
Thickness:
- .018"
Material:
- Clay coated newsback
- Semi-gloss coating
Recycling:
- Recycled Content: 100%
- Post-consumer: Minimum 35%Â
FAQs for White Side Loading Mailers
What are Side Loading StayFlat Mailers used for?
These side-loading mailers are perfect for shipping marketing materials, prints, and posters, ensuring they stay flat and protected during transit.
Are these mailers eco-friendly?
Yes! These mailers are made from 100% recycled paperboard, offering an environmentally responsible choice for shipping.
How do I load items into these mailers?
Our side-loading design makes inserting your documents, posters, or prints easy and hassle-free.
Can recipients open these self-seal mailing envelopes easily?
Absolutely! Our mailers come with a built-in tear strip, so opening them is fast and frustration-free.
How durable are these mailers?
Very durable! With a strong center seam, our non-bendable mailers offer maximum rigidity, keeping your items safe during transit.
How secure is the closure?
These mailers feature a tamper-evident self-seal closure with pressure-sensitive adhesive, ensuring your items remain secure during shipping.
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.
- P11409: 8 x 6"
- P11410: 9 1/2 x 6"
- P11411: 9 x 7"
- P11412: 11 1/2 x 9"
- P11413: 12 1/4 x 9 3/4"
- P11414: 13 1/2 x 11"
- P11415: 14 7/8 x 11 7/8"
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:Â Take advantage of bulk pricing, fast shipping, and special discounts on large orders. For a delightful shopping experience, enjoy gifts on orders over $150 at SupplyLand!
Weight:
- Unit Wt. (lbs.): 17

Dimensions:
- Dimensions in the chart do not include flap.
- Usable: 8 1/2 x 6 3/4"
- Based on contents no more than 1/4" thick.
Thickness:
- .018"
Material:
- Clay coated newsback
- Semi-gloss coating
Recycling:
- Recycled Content: 100%
- Post-consumer: Minimum 35%Â
FAQs for White Side Loading Mailers
What are Side Loading StayFlat Mailers used for?
These side-loading mailers are perfect for shipping marketing materials, prints, and posters, ensuring they stay flat and protected during transit.
Are these mailers eco-friendly?
Yes! These mailers are made from 100% recycled paperboard, offering an environmentally responsible choice for shipping.
How do I load items into these mailers?
Our side-loading design makes inserting your documents, posters, or prints easy and hassle-free.
Can recipients open these self-seal mailing envelopes easily?
Absolutely! Our mailers come with a built-in tear strip, so opening them is fast and frustration-free.
How durable are these mailers?
Very durable! With a strong center seam, our non-bendable mailers offer maximum rigidity, keeping your items safe during transit.
How secure is the closure?
These mailers feature a tamper-evident self-seal closure with pressure-sensitive adhesive, ensuring your items remain secure during shipping.
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.
- P11409: 8 x 6"
- P11410: 9 1/2 x 6"
- P11411: 9 x 7"
- P11412: 11 1/2 x 9"
- P11413: 12 1/4 x 9 3/4"
- P11414: 13 1/2 x 11"
- P11415: 14 7/8 x 11 7/8"
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:Â Take advantage of bulk pricing, fast shipping, and special discounts on large orders. For a delightful shopping experience, enjoy gifts on orders over $150 at SupplyLand!


