Top 10 Envelopes Letter Size Self Seal – Business Mailing Envelopes

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1. BAZIC Products

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No Window, BAZIC #6 Self-Seal Security White Mailing Envelope 3 5/8 x 6 1/2, 1-Pack, Safe Quick Self-Adhesive Closure Tint Pattern, Adhesive Peel Seal 55/Pack

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BAZIC Products #ad - Shipping made easy. By focusing on the integrity of our products and satisfaction of our customers, we’ve built a brand you can trust. Dedicated to continuous improvement, we are proud to be an ongoing industry-leader.

Each item is shipped out of our headquarters in Los Angeles, never leaving until we’re completely satisfied with our product integrity. True to our vision. 55 self-seal security envelopes. 6 3/4 self-seal security envelope. Sold and distributed in the usa. 3 5/8 x 6 1/2 in - 9. 2 x 16. 5 cm. From our standard white envelopes to our bubble mailers, your letters or items will be safely packaged and ready to ship! Reputation + reliability.

Printed lining for privacy. Bazic products has been offering uncompromised quality in school and office products since 1998. We use customer insight to guarantee solutions to fit your needs. Working with trusted factories, we ensure our products are up to the highest standard before sending to customers.
BrandBAZIC Products #ad
ManufacturerBAZIC Products #ad
Height6.69 Inches
Length3.98 Inches
Weight0.4 Pounds
Width1.77 Inches
Part Number5066-EACH
Model5066

2. AZAZA

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50 Pack,Self Seal,For 5x7 Cards| Perfect for Weddings, Invitations, Baby Shower| Stationery For General, Office | 5.25 x 7.25 Inches, A7 Brown Kraft Paper Invitation 5 x 7 Envelopes

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AZAZA #ad - We provide best service. Our company philosophy is to provide both beautiful and useful products with environmentally friendly materials and reasonable price. We’ll offer customers the best services. Dimensions:5. 25 x7. 25 inches A7. The products can be returned within 60 days without any reasons. Quick self seal, Simple To Use. 148 gsm / 100lbs text Paper. Quantity: 50pcs.
BrandAZAZA #ad
ManufacturerAZAZA #ad
Weight0.44 Pounds
Part NumberENV-KRAFT-A7-50

3. Winlyn

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90 Sets 18 Colors A7 Invitations Envelopes 5x7 Envelopes Self Seal with Blank 5x7 Cardstock Flat Note Cards Bulk DIY Card Making Supplies for Wedding Baby Shower Greeting Announcement Photo Mailing

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Winlyn #ad - Matching a7 blank cards are 5" x 7", holiday cards, greetings cards, rsvp cards, save the date cards, they perfectly fit into the envelopes with enough room for the recipient to slide it out. Color:5x7 square flap self seal envelopes feature in 18 colors, red, cream, Kraft brown, turquoise blue, minosa, and are all the same, orange, rose pink, white and black.

You can use your imagination to write and paint anything you want with white and gold markers. The coordinating greeting cards fit into the envelopes, wisteria, purple, sky blue, turquoise green, lemon yellow, emerald green, including Scarlet, moon yellow, viridian, uniform color. Quantity: package includes 90 sets 18 colors a7 invitations envelopes 5x7 envelopes self seal with matching blank flat note cards 5x7 cardstock and 2 pcs colored pens in white and gold. 5x7 envelops features a classic square flap. With brilliant color, birth announcement, wedding shower, baby announcement, banquets, graduation announcements, baby shower, stationery cards and envelope set perfect for weddings, birthday, bridal shower, thanksgiving, graduation, business, holiday party, bridal shower, and corporate events.

Material: a7 colored envelops are 110 gsm / 74 lbs text paper. The flaps have peel and stick adhesive, have tape with self-adhesive strip located on the back square flap. These a7 wedding envelopes are also perfect envelopes for 5"x7" thank you cards, A2, invitations, photos, and easily fit inside some standard letters as well as Envelopes of smaller A Sizes A1, announcements, A4, A6. They are blank and matte on both sides.
BrandWinlyn #ad
ManufacturerWinlyn #ad
Part NumberWinlyn 90-A7

4. iMailer

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9" x 12" Self Seal Clear Cello Cellophane Resealable Plastic Poly Bags for A4, Clothes, Marketing Materials, Letter Sized Documents, 100 Count

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iMailer #ad - Eco friendly: made of 100% new oriented polypropylene, the Cellophane Bags are non-toxic, odorless acid free, 100% food grade safe with high transparency providing a good protection and display for your goods.

Easy to use: the self-adhesive strip is designed widened to provide a more tight seal and save fresh longer. It's very easy and convenient for you to seal and open repeatedly. You may fold the cellophane bags to fit the size you need. Wide application: the cellophane bags are perfect for 9" x 12" photos, flyers, pants, food, clothes, documents, gifts, prints, T-shirts, party favors and varieties of snacks.

It's a must have for home and office. Specification: 100 count 9" x 12" usable dimension Excludes Glue Flap. If for whatever reason you don't, contact us and we'll gladly exchange or completely refund your order! Satisfaction guaranteed: we believe you'll love our pristine Cellophane Bags just as much as we do. 1. 6 mil thick Cellophane Bags. With knurling edges.
BrandiMailer #ad
ManufactureriMailer #ad
Part NumberBAG-OPP-0912-100

5. iMailer

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Marketing Materials, Letter Sized Documents, Clothes, 500 Count, 9" x 12" Self Seal Clear Cello Cellophane Resealable Plastic Poly Bags for A4

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iMailer #ad - Eco friendly: made of 100% new oriented polypropylene, the Cellophane Bags are non-toxic, odorless acid free, 100% food grade safe with high transparency providing a good protection and display for your goods.

Satisfaction guaranteed: we believe you'll love our pristine Cellophane Bags just as much as we do. 1. 6 mil thick Cellophane Bags. With knurling edges. Specification: 500 count 9" x 12" usable dimension Excludes Glue Flap. Wide application: the cellophane bags are perfect for 9" x 12" photos, documents, flyers, gifts, food, pants, prints, T-shirts, clothes, party favors and varieties of snacks.

It's a must have for home and office. Easy to use: the self-adhesive strip is designed widened to provide a more tight seal and save fresh longer. It's very easy and convenient for you to seal and open repeatedly. You may fold the cellophane bags to fit the size you need. If for whatever reason you don't, contact us and we'll gladly exchange or completely refund your order! .
BrandiMailer #ad
ManufactureriMailer #ad
Part NumberBAG-OPP-0912-500

6. iMailer

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9" x 12" Self Seal Clear Cello Cellophane Resealable Plastic Poly Bags for A4, Clothes, Letter Sized Documents, Marketing Materials, 200 Count

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iMailer #ad - Eco friendly: made of 100% new oriented polypropylene, odorless acid free, the Cellophane Bags are non-toxic, 100% food grade safe with high transparency providing a good protection and display for your goods.

1. 6 mil thick Cellophane Bags. With knurling edges. If for whatever reason you don't, contact us and we'll gladly exchange or completely refund your order! Wide application: the cellophane bags are perfect for 9" x 12" photos, flyers, pants, gifts, clothes, documents, food, T-shirts, prints, party favors and varieties of snacks. It's a must have for home and office. Satisfaction guaranteed: we believe you'll love our pristine Cellophane Bags just as much as we do.

Specification: 200 count 9" x 12" usable dimension Excludes Glue Flap. Easy to use: the self-adhesive strip is designed widened to provide a more tight seal and save fresh longer. It's very easy and convenient for you to seal and open repeatedly. You may fold the cellophane bags to fit the size you need.
BrandiMailer #ad
ManufactureriMailer #ad
Part NumberBAG-OPP-0912-200

7. Pack It Chic

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Marketing Materials, Fits A4, Letter Sized Documents, 9” X 12” 1000 Pack Clear Resealable Cellophane Cello Bags, Self Seal, Pack It Chic

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Pack It Chic #ad - Made to be slightly thicker than our “Food Grade” poly bags, this is the ideal choice for packaging & mailing. 1. 4 mil Thickness. 1000 pack. Specifications: 9” x 12” resealable polypropylene Cello Style Bags - Self Sealing.

Explore our other modern & chic designs. Sparkle: have your item sparkle with our crystal clear, glossy cello bags. Build lasting impressions with pack it chic! pack It Chic is committed to providing countless ways to stand out with your retail, shipping, and packaging supplies. Perfect for showcasing artwork, magazines, and booklets. Fits letter sized / a4 prints & photos: our "marketing” cellophane bags are designed to fit 8.

5” x 11” photos & prints. Easy peel & seal: simply peel to expose the adhesive, and the plastic cello bags will be self sealable within seconds. Our resealable adhesive allows for easy access to the bags’ contents and are perfect for direct mail & packaging flyers, brochures, catalogs and other marketing materials.
BrandPack It Chic #ad
ManufacturerATZ Premium Brands #ad
Weight0.02 Pounds
Part NumberBAG-CELLO-A-
ModelBAG-CELLO-A-

8. Verbaa

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2 Designs of Elegant Modern Thank You Cards For Any Occasion, Engagement, Funeral, Business 100-pack, 100 Premium Paper Thank You Cards With Self-Seal Envelopes, Wedding, Graduation

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Verbaa #ad - Design – less is more! 2 simple clean designs will showcase your sophisticated style. Meticulously sized cards fit perfectly in the envelops. Envelopes – 100 high-quality kraft self-seal envelops will make bulk mailings a breeze. Paper quality – 315 gsm thick luxurious paper will be your love at first touch. Box – sturdy reusable box will let you store your unused cards. Great for any occasion. Bulk thank you cards – 100 premium quality cards will show your friends, relatives and business partners they are highly appreciated.
BrandVerbaa #ad
ManufacturerVerbaa #ad
Part Number2020
Model0815

9. Opie's Paper Co.

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Business, 100 Letterpress Thank You Cards and Self Seal Envelopes. Perfect for Graduation, Weddings, Opie’s Paper Company Black & White

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Opie's Paper Co. #ad - 30 day money back guarantee: we’re so confident that you’ll love our cards that we offer a 30 days money back guarantee. Perfect for weddings and all other elegant occasions. Who wants to lick 100 envelopes? Not us! You will love our peel and stick self sealing envelopes.

Black letterpress writing: sharp and elegant letterpress “thank you” on the front with no ugly logos on the back. Box of 100 cards and envelopes: amazon value and a handy sturdy storage box to store unused cards until you use them all. Simply send them back to us and we’ll give you your money back - no questions asked send your money back! If you are not fully satisfied contact us directly and we will take care of it. We love our clients and love to help.

Beautiful textured thick cards: made with a premium textured stock, our cards are 350 gsm in thickness, almost double the thickness of our competitors. Self seal envelopes: perfect for graduation, Weddings, business clients, bulk mailings, Baby Shower Thank You. Bulk mailing your thank you cards has never been easier. Card size: 5. 125" x 3. 75”. The opaque envelopes are 200 gsm thickness meaning they too are weighted and high quality.
BrandOpie's Paper Co. #ad
ManufacturerOpie's Paper Co. #ad
Height4.2 Inches
Length11.5 Inches
Width5.2 Inches
Part Number100TY

10. American Deluxe Thank You Cards

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Blank Inside, Bulk Set, 100 Thank You Cards with Self-Seal Adhesive Envelopes, for Wedding, Business, Matte-Black & Gold-Foil, Bridal, Superior Quality, 5 Designs 4x6 by American Deluxe, Baby Showers

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American Deluxe Thank You Cards #ad - B>✅ superior quality: these pretty amazing greeting cards are crafted from a special and thick high-end 300 gsm paper cardstock for elegance and extra durability with no smudging, fingerprints or smear when writing or handling them. 4 x 6 inches photos fit perfectly inside cards and envelopes.

Envelopes are 120 gsm paper which are thicker than most of other note-cards. B>✅ photo-sized dimensions: each thank-you folded card measures 6. 25 x 4. 5 inches. B>✅ perfect for any occasion: thank-you cards are blank in the inside and can be used for any occasions including businesses, graduation, Christmas gifts, funeral and baptism, anniversary, events, holidays, party, sympathy, engagement, celebration, etc. Each card comes with an envelope that measures 6. 5 x 4. 75 inches.

B>✅ self seal envelopes: envelopes are in white color with self-seal strip and quick-seal closure for convenience NO NEED TO LEAK WITH YOUR TONGUE. B>✅ high quality, connection and their hospitality, elegant and simple: our thank-you cards are gorgeous with premium quality, patience, information, personal or professional such as after a job interview or a job reference, thanking people who give you their time, still simple and generic! They can be used for many occasions, customer appreciation, etc.
BrandAmerican Deluxe Thank You Cards #ad
ManufacturerAmerican Deluxe #ad
Height0.1 Inches
Length6.25 Inches
Width4.5 Inches
Part NumberTC-545
ModelTC-545