Top 10 9X12 Poly Mailers – Envelope Mailers

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1. UCGOU

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UCGOU 9x12 Inch 200Pcs Teal Poly Mailers Premium Shipping Envelopes Mailer Self Sealed Mailing Bags with Waterproof and Tear-proof Postal Bags

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UCGOU #ad - The shipping envelopes are perfect for sending clothes and other small soft presents. If you are tired of plain regular mailers, our designer poly maileRS are a choice for you. The adhesive on the fold-over flap is really strong and tamper-evident.

Lower the shipping cost of your business and protect your products on the rainy or snowy day. 100% satisfaction Guaranteed. There's no need reinforcement tape and it doesn't come apart unless you tear it up. Only for non-fragile items. If you are shipping anything which is breakable, we would recommend UCGOU bubble envelopes.

Ucgou teal is highly attractive color which makes your products look better than standard white shipping envelopes and it helps customize your brand! Premium quality envelopes have a good stretch, lightweight and water-resistant. Tear resistance self sealing envelopes. Eye catching. If there are any quality problems, just let us know for a refund or replacement.
BrandUCGOU #ad
ManufacturerUCGOU #ad
Part NumberAZ116

2. METRONIC

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Metronic 200Pack 9x12 Poly Mailer Envelopes Shipping Bags with Self Adhesive Waterproof and Tear-Proof Postal Bags in White

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METRONIC #ad - Save your time and shipping cost - the poly mailer bags are good acceptable thickness for shipping soft-goods, it's quick seal, and they are light enough to safe you some money on weight for shipping. The mailing bags used of opaque materials convenient for protect your privacy with a professional appearance.

Even though poly mailers don't offer interior cushioning, tampering, chemicals, they are made to withstand the rigors of the shipping process. Poly mailers are a great choice for their high-strength design that keeps contents secure against moisture, puncturing and tearing. Widely use - the 9x12 mailer bags are quite useful for soft items, scarves, blankets, such like T-shirts, or other non breakable items. Durable protection - top-quality poly mailers are tear and puncture resistant. The plastic Mailing is thin, for extra protection. Pressure sensitive adhesive provides a high strength, like newspaper or bubble wrap, durable closure that is water and dirt resistant.

The poly mailer bags are a good strong plastic shipping bag. Provides confidentiality - these poly mailers were white outer surface, black inner lining, so it looks like light grey color not a true bright white. Water proof - the poly mailer are self-sealing for easy packing with a tamper-evident, and it's easy to add in a bit of padding, so they're very forgiving of weirdly-shaped contents, and quite flexible, durable, super secure closure. A poly mailer is usually made of polyethylene but can also be made of heavy-duty nylon fibers.
BrandMETRONIC #ad
ManufacturerMETRONIC #ad
Height0.1 Inches
Length12 Inches
Weight0.31 Pounds
Width9 Inches
Part Number9x12 polymailer white FBA
Model401474

3. iMBAPrice

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IMBAPrice 1000, 9x12 Premium Matte Finish White Poly Mailers Envelopes Bags iMBA-3PM-1000

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iMBAPrice #ad - Water, tear, and puncture resistant high quality Matte Finish Bags. Imbaprice bags are all highly certified with fsc, rohs, Reach Certification, iSO C, QA, ISO9001:2008, and much more!. Silver inner layer provides confidentiality to prevent tampering.
BrandiMBAPrice #ad
ManufacturerMHL COMPUTER SYSTEMS INC, #ad
Height13 Inches
Length10 Inches
Width6 Inches
Part NumberiMBA-3PM-1000
ModeliMBA-3PM-1000

4. Shop4Mailers

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Shop4Mailers 9 x 12 Glossy White Poly Bag Mailer Envelopes 2.17 Mil 1000 Pack

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Shop4Mailers #ad - Light-weight & durable – tear, and moisture resistant envelope made to withstand harsh one-way trips in excellent condition. Variety – we have a wide assortment of mailers and shipping supplies available in our storefront.

The sticky strip provides a tight bonding closure which also keeps out dust, dirt, and liquid. The go-to poly bag for shipping clothes, puncture, soft goods and other non-fragile items. White/grey, polka dots, pineapple, Hearts, Pink, Rose, Thank you, Flamingos, and more!. Also saves space in your facility to store other items. Tamper evident & quick – high strength, one step adhesive seal strip process to securely seal the mailers.

Cost & space saving - tough but light weight which helps keep shipping costs low. Provides privacy & confidentialty – made with opaque polyethylene film, rather than paper, to provide top of the line security. Our flexible mailers have a solid exterior and black lining interior for extra concealment.
BrandShop4Mailers #ad
ManufacturerShop4Mailers #ad
Part Numberglossy217_9x12_1000
Modelglossy217_9x12_1000

5. Fuxury

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Fuxury 9x12 100pc white Poly Mailers Shipping Envelops Self Sealing Envelopes Boutique Custom Bags Enhanced Durability Multipurpose Envelopes Keep Items Safe Protected

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Fuxury #ad - Durable protectionfuxury shipping bags made by six layers membrane, can be streched 3 times longer than normal, keep your product in good condition. Absolute confidentialitytear resistance self sealing envelopes, strong viscosity, black inner lining, improve your package security.

Save your shipping costfuxury poly mailers bags are 2 mil thickness for shipping soft-goods, and they are light enough to safe you some money on weight for shipping. These poly mailers were white outer surface, so it looks like light grey color not a true bright white. Perfect for packaging non-fragile itemsFuxury mailing bags are suit for packaging clothing, purses, small backpacks, handbags, sweaters, shirts, jackets, apparel, shoes and books. Waterproof bagswaterproof poly mailers keeps your gifts as good as new even if they get left out cold in the rain.
BrandFuxury #ad
ManufacturerFuxury #ad
Part Number9x12 White 100pc

6. Secure Seal

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1000 Pack of 9x12 White Poly Mailers Shipping Envelopes

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Secure Seal #ad - These shipping envelopes measure 9" x 12" Interior Dimensions. Also waterproof and puncture resistant! Self-sealing poly bag - featuring “peel and seal” closure technology. Protection - each poly envelope is 2 miL thick and outfitted with a black inner lining for complete privacy while your items are in transit.

Our plastic mailing bags come with a self-adhesive, tamper-proof seal. The poly shipping bags are thin, durable, and quite flexible, so they're very forgiving of oddly shaped contents. Size - pack of 1000 poly mailing envelopes. The durable adhesive stretches the full width of the mailer bag.

Quickly pack and ship with very little effort! Versatility - these make excellent shipping bags for clothing and also for any lightweight, non-fragile items. Easily add in padding if needed! Trust - when choosing shipping depot, you can trust us for all your quality plastic mailers and other affordable shipping supplies! Satisfaction is guaranteed! .
BrandSecure Seal #ad
ManufacturerSecure Seal #ad
Part NumberPM#3 1000

7. METRONIC

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Metronic 200PCS Envelopes Mailers 9x12 Poly Mailers Shipping Bags with Self Adhesive Waterproof and Tear-Proof Postal Bags in Sakura Pink

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METRONIC #ad - Widely use:200 pack envelope mailers 9x12 inch in sakura pink are quite useful for soft items and middle size products, such like T-shirts/jeans/baby products/snacks. They are definitely quite durable with excellent Self Adhesive Strip. A poly mailer is usually made of polyethylene but can also be made of heavy-duty nylon fibers.

Poly mailers are a great choice for their high-strength design that keeps contents secure against moisture, chemicals, tampering, puncturing and tearing. Waterproof:self-sealing for easy packing with a tamper-evident, super secure closure. Pressure sensitive adhesive provides a high strength, durable closure that is water and dirt resistant. They provide the ultimate protection for your mailing no matter Rain or shine. Eye catching options:these middle size shipping bags were Sakura Pink outer surface, black inner lining. The 9x12 poly mailers used of opaque high-quality materials convenient for protect your privacy with a professional appearance.

Light weight:this kind of mailing bags with lightweight design that save your shipping cost and quite flexible, and it's easy to add in a bit of padding, so they're very forgiving of weirdly-shaped contents, like newspaper or bubble wrap, for extra protection. Durable protection:top-quality poly mailers are tear and puncture resistant. Even though poly mailers don't offer interior cushioning,they are made to withstand the rigors of the shipping process.
BrandMETRONIC #ad
ManufacturerMETRONIC #ad
Part Number9x12 Sakura Pink 200PCS Poly Mailer

8. Fairly Odd Treasures

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200, 2.4 Mil, #2-9x12 Poly Mailers Self Sealing Envelopes Bags

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Fairly Odd Treasures #ad - Self sealing for Easy & Secure package! Lightweight, Durable, Professional, and Private!. Pack of 200 poly self Sealing Privacy Mailer Envelopes. Strong 2. 4mil Thickness Poly. Grey outer color & Black Inner Color.
BrandFairly Odd Treasures #ad
ManufacturerFairly Odd Treasures LLC - Sporting Goods #ad
Height0.1 Inches
Length12 Inches
Weight3.73 Pounds
Width9 Inches
Part Number9x12-PM-G60-200PK
Model9x12-PM-G60-200PK

9. Shop4Mailers

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Shop4Mailers 9 x 12 Pink Polka Dot Poly Bag Mailer Envelopes 2 Mil 100 Pack

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Shop4Mailers #ad - Stylish packaging. Light weight mailers for economical postage. Please do not hesitate to contact us with any questions or concerns. Durable 2 mil poly material for resisting tears, punctures and damages. Excellent proficiency mailers perfect for shipping a wide variety of non-fragile items. Customer satisfaction guaranteed. Hassle free, self sealing adhesive.
BrandShop4Mailers #ad
ManufacturerShop4Mailers #ad
Part Numberdotpink_9x12_100

10. METRONIC

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Self Seal in Pink, Metronic 9X12 Rose Floral Pattern 100 Pack Poly Mailers Envelope Plastic Custom Mailing & Shipping Bags

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METRONIC #ad - Design:rose floral pattern 9x12 Poly Mailer Envelopes - Unpadded 100 Pack in Pink. Waterproof:self-sealing for easy packing with a tamper-evident, super secure closure. Pressure sensitive adhesive provides a high strength, durable closure that is water and dirt resistant.

They provide the ultimate protection for your mailing no matter Rain or shine. Durable protection:top-quality poly mailers are tear and puncture resistant. Even though poly mailers don't offer interior cushioning,they are made to withstand the rigors of the shipping process. A poly mailer is usually made of polyethylene but can also be made of heavy-duty nylon fibers. Poly mailers are a great choice for their high-strength design that keeps contents secure against moisture, chemicals, tampering, puncturing and tearing.

Light weight:this kind of mailing bags with lightweight design that save your shipping cost and quite flexible, like newspaper or bubble wrap, and it's easy to add in a bit of padding, so they're very forgiving of weirdly-shaped contents, for extra protection. Widely use:100 pack envelope mailers 9x12 inch in rose floral Pattern are quite useful for soft items and middle size products, such like T-shirts/jeans/baby products/snacks. They are definitely quite durable with excellent Self Adhesive Strip.
BrandMETRONIC #ad
ManufacturerMETRONIC #ad
Height0.1 Inches
Length12 Inches
Weight0.31 Pounds
Width9 Inches
Part Number100pcs 9x12 Purple+White Rose Design
Model9x12 Purple+White Rose Design