Top 10 9×12 Envelopes Self Seal Black – Booklet Mailing Envelopes

As an Amazon Associate I earn from qualifying purchases.

1. Envelopes.com

#ad

Catalog, Magazine, 50 Pack Black, Financial Document, Pamphlet, 9 x 12 Booklet Envelopes in 80 lb. Midnight Black for Mailing a Business Letter

#ad
Envelopes.com #ad - To seal, use the moistening method of your choice. Text-weight paper stock, these envelopes are thicker and more durable than printer paper and will protect whatever is inside. Classic color: if you want a high-quality envelope, this is the item for you. Made from 80 lb.

If this shade of black isn’t right for you, we offer these envelopes in a variety of other color options as well. They are printable on both digital and offset commercial printers. No matter what you decide to use these envelopes for, professional mailings, these envelopes are thick and durable, whatever is inside is sure to arrive in perfect condition. Booklet envelope: these large envelopes are the professional way to ship flat but bulky materials, folders, sales literature, catalogs, brochures, including pamphlets, annual reports, magazines, booklets, and more.

Simply moisten the strip of adhesive, and you’ll have the perfect seal. It couldn’t be easier! Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, making them perfect for things like letters, personal mail, or catalogs. Our 9” x 12” envelopes are adaptable to a variety of professional situations. Moistenable glue seal: these envelopes are designed with a traditional moistenable adhesive sealing method, apply pressure, making them an excellent option for quick and easy projects.
BrandEnvelopes.com #ad
ManufacturerEnvelopes.com #ad
Height0.01 Inches
Length12 Inches
Weight0.25 Pounds
Width9 Inches
Part NumberF-6075-B-50
ModelF-6075-B-50

2. UCGOU

#ad

UCGOU Poly Mailers 9x12 Inch Black 200 Pack Shipping Bags #3 Strong Mailing Envelopes Boutique Packaging Postal Self Seal Adhesive Waterproof and Tear Proof Small Business for Clothes,Books

#ad
UCGOU #ad - With gray inner lining, ucgoU poly mailers can not only protect your privacy well during transportation, these poly mailers are opaque. The adhesive is covered with silver strip, which can maintain strong stickiness throughout the year, which are easily peel off the strip and seal the bag. The strong stickiness prevents your items from being secretly replaced during transportation.

Sturdy & durable construction the thicken shipping bags covers with polyethylene material, making them not easily punctured and damaged. They can keep your value stuff safely to destination even though using on foggy or rainy days. Used tear-resistant material, but also keep your goods arriving safely. Strong self sealing adhesive our mailing envelopes is using four-season adhesive, even if the weather is very hot or cold. Beautiful colors can also make your customers happy and enhance your brand influence. The black is an attractive color that makes your products stand out of standard white poly mailers.

Eye-catching poly mailers the size of the bags is 9x12 inches. It is very suitable to transport for jewelry, magazine, books, clothes and more. Enhance brand influence bright colors bring a lively atmosphere, which makes the items you transport more conspicuous and will not be easily lost. Convenient & easy to use these poly shipping bags are the perfect choice for small and middle business for easily using with not require extra packaging material, which can improve your company productivity at work, makeup supplies, photos, save much time and mailing cost.
BrandUCGOU #ad
ManufacturerUCGOU #ad
Part NumberAZ129

3. Fuxury

#ad

Self-Seal Envelopes, Enhanced Durability Multipurpose Shipping Envelopes, Fuxury 9x12 200 Pcs Black Poly Mailers Shipping Envelopes, Keeps Items Safe & Protected, Boutique Custom Bags

#ad
Fuxury #ad - You can count on our poly mailers to keep your packages safe until they reach their destination. Poly mailers are a cost-effective and efficient way to ship all your packages. Simply peel & seal - each poly mailer bag contains a strong self-sealing adhesive strip. These poly mailers are tear-resistant, puncture-resistant, and waterproof.

Perfect for small business and e-retailers. Make your business stand out from the rest and build a lasting impression. Padded mailers are great for shipping light and less fragile products. Eliminate the need for costly shipping boxes and tape by using poly mailers instead - and watch the savings add up! Strong & durable construction - our poly mailers are crafted with only the finest materials. Boost your efficiency and your botTom line. Let our mailers help you to build your business and your brand.

Ideal for small business - our color poly mailers are sure to set your business apart from the rest. They'll love looking forward to your packages in the mail. During these uncertain times, take your business online and grow your sales. Convenient & efficient - padded poly mailers are an affordable alternative to standard packaging, and they will help keep your customer's items safe while reducing shipping costs. These poly mailers are convenient, lightweight, and will help to save on shipping costs.
BrandFuxury #ad
ManufacturerFuxury #ad
Part NumberFuxury

4. Blue Summit Supplies

#ad

Designed for Secure Mailing, 100 9 X 12 Self Seal Security Catalog Envelopes, Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap 100 Envelopes

#ad
Blue Summit Supplies #ad - Allows for organized storage of personal and company documents due to its large size and Security Tint. Securely holds hefty files during transit due to it sturdy construction and thick 28 LB White Wove Paper.

Perfect size for standard 8. 5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely. Just peel and seal to create a strong lasting seal: No need to worry about your contents failing out during transit even when shipping hefty shipments like 60 sheets of paper or magazines. Safe for sensitive documents like tax, legal, and financial documents. Provides complete security: your documents are safe from others during transit. Great for storing receipts, monthly financials, tax returns, magazines, reports and more.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-010

5. Blue Summit Supplies

#ad

Security Tinted with Printer Friendly Design, Number 9 Size 3 7/8 Inch X 8 7/8, 500 No. 9 Self Seal Security Envelopes – Peel and Seal Designed for Secure Mailing, Pack of 500

#ad
Blue Summit Supplies #ad - Maintains professional look and feel throughout transit with our durable 24 lb white wove envelope paper. Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming.

Easily print hundreds of envelopes with our low profile envelope design. Our security #9 windowless envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Easily fits invoices, checks, letters, and more. Perfect for secure everyday home and business mailing. No need to worry about others seeing your documents, our dark black security tint completely hides your mail.

These envelopes are designed for both laser and inkjet printers. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. Just peel and seal to create a strong lasting seal without licking or moistening. Provides complete mail security.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-034

6. Aimoh

#ad

9x12 inch 38100, Ultra Strong Quick-Seal, 100 9 x 12 SELF Seal Security White Catalog Envelopes, Security Tinted, 28lb

#ad
Aimoh #ad - 100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! White 28lb stock; perfect for everyday business use, super secure seal across each envelope's width that won't easily open or tear and use high quality, aimoh’s 9x12 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, white 28lb stock for a professional finish.

Security tint pattern; ideal for secure business mailing and sensitive correspondence, security tint pattern to protect contents, each 9x12 envelope contains a super secure, information and data when mailing.9

9x12 catalog envelopes; aimoh’s white 9x12 security envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 9x12 envelopes on the market. For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, thicker, perfect for photos, catalogs, larger documents and other business mailings.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.5 Inches
Length9 Inches
Weight4.06 Pounds
Width12 Inches
Part NumberFBA_38100
ModelFBA_38100

7. UCGOU

#ad

UCGOU Bubble Mailers 8.5x12 Inch Black 25 Pack Poly Padded Envelopes #2 Medium Mailing Opaque Packaging Postal Self Seal Waterproof Boutique Shipping Bags for Clothes Makeup Supplies

#ad
UCGOU #ad - Sturdy & durable construction the thicken shipping bags covers with polyethylene material, making them not easily punctured and damaged. Strong self sealing adhesive our padded envelopes is using four-season adhesive, which can maintain strong stickiness throughout the year, even if the weather is very hot or cold.

The inner lining is using gray film, even if there is strong light, which can protect your privacy well. The strong stickiness prevents your items from being secretly replaced during transportation. Opaque poly bubble mailers the black bubble mailers outer size is 8. 5x12 inch, the items in the bag cannot be seen, while the inner size is 8. 5x11 inch. With full air bubbles, our bubble mailers can protect your value products from damage caused by external impacts. Enhance brand influence bright colors bring a lively atmosphere, which makes the items you transport more conspicuous and will not be easily lost.

It is very suitable to transport for cards, books, photos, clothes and more. Beside, the shipping bags features with excellent waterproof and tearing proof effects because of the reinforce sealing on the edge. We have been committed to making better products to serve our customers, so that their business can get better and better. They can keep your value stuff safely to destination even though using on foggy or rainy days.
BrandUCGOU #ad
ManufacturerUCGOU #ad
Weight1.06 Pounds
Part NumberAZ0520
ModelAZ052

8. Fuxury

#ad

Packaging Bags, 25 Pack, Black, Padded Envelopes, Bubble Mailer Mailing Envelopes, Fuxury Kraft Bubble Mailers 8.5x12 Self-Seal Shipping Bags, Packaging for Small Business, Shipping Envelopes

#ad
Fuxury #ad - Eliminate the need for costly shipping boxes and tape by using bubble mailers instead - and watch the savings add up! Strong durable constructionour kraft bubble mailers are crafted with only the finest materials. Each mailer is fully opaque for privacy and built to withstand the rigors of shipping and handling.

Simple peel and seal each mailer is equipped with a strong self-sealing adhesive strip. These kraft padded bubble mailers are perfect for shipping a variety of items such as jewelry and accessories, and much more. Padded bubble mailers are great for shipping light and less fragile products. Bubble mailers cost less per shipment when compared to boxes. These bubble mailers are perfect for online retailers and boutiques. Kraft bubble mailers are a cost-effective and efficient way to ship all your packages.

These kraft bubble mailers are a simple and efficient way to ship your packages. Use these lightweight and sturdy bubble mailers to drive down costs and increase your profits. You can count on our padded mailers to keep your packages safe until they reach their destination. Saves on shipping costs bubble mailers have significantly lower shipping costs due to their light weight and small size. The strong self-sealing adhesive strip is tamper-resistant and tamper-evident.
BrandFuxury #ad
ManufacturerFuxury #ad
Part NumberFuxury

9. UCGOU

#ad

UCGOU Bubble Mailers 9.5x14.5 Inch Black 25 Pack Poly Padded Envelopes Large #4 Mailing Packages Opaque Packaging Postal Self Seal Adhesive Waterproof Boutique Shipping Bags for Clothes

#ad
UCGOU #ad - Enhance brand influence bright colors bring a lively atmosphere, which makes the items you transport more conspicuous and will not be easily lost. We have been committed to making better products to serve our customers, so that their business can get better and better.

They can keep your value stuff safely to destination even though using on foggy or rainy days. Strong self sealing adhesive our padded envelopes is using four-season adhesive, even if the weather is very hot or cold. Beside, the shipping bags features with excellent waterproof and tearing proof effects because of the reinforce sealing on the edge. Opaque poly bubble mailers the black bubble mailers outer size is 9. 5x14. 5 inch, even if there is strong light, the items in the bag cannot be seen, while the inner size is 9.5

5x13. 5 inch. The strong stickiness prevents your items from being secretly replaced during transportation. Convenient & easy to use these poly shipping bags are the perfect choice for small and middle business for easily using with not require extra packaging material, magazine, photos, makeup supplies, which can improve your company productivity at work, save much time and mailing cost. With full air bubbles, our bubble mailers can protect your value products from damage caused by external impacts.
BrandUCGOU #ad
ManufacturerUCGOU #ad
Part NumberAZ173
ModelAZ173

10. HBlife

#ad

8.5x12 Inches Self Seal Black Poly Mailers, HBlife 25Pcs Bubble Mailers, Padded Envelopes Shipping Bags Packaging for Small Business

#ad
HBlife #ad - Cushion mailers - these mailer envelopes are lined with 80gsm bubble, with unique air cellular layers and 360°strong air bubble technology helping absorb shock during shipment. These can provide effective shipping protection for your products.

And those padded mailers are lightweight mailing envelops, will not add to your shipping cost. Self sealed envelopes - these bubble mailers come with a self-adhesive tamperproof seal. The adhesive on the fold-over flap is strong enough and goes end-to-end. There's no need reinforcement tape and it doesn't come apart unless you tear it up. Peel and stick lip provides a tamper evident closure. 100% satisfaction guaranteed - all hblife bubble mailers come with our friendly customer service, We will replace or return money if you are not satisfied with our products.

And the bubble envelopes feel nice to the touch and are perfect for handwriting, in shops, at home, labeling and stamping. Multipurpose envelopes - these envelopes can be used in offices, schools and everywhere where there is a need for shipping. Light weight mailers - this pack of 25 8. 5x12inch padded envelopes is made from heavy duty plastic, are with fashionable design.
BrandHBlife #ad
ManufacturerHBlife #ad
Part NumberMAIL-LK9005BLK4-25/LC
ModelMAIL-LK9005BLK4-25/LC