The 10 best Industrial & Scientific Mailers you can buy of 2021

4.7 ⭐ ⭐ ⭐ ⭐ ⭐

• Usable size– 6×9 inch, outside size: 6×10 inch. Pack of 25pcs. Whether you are thinking of mailing documents or something else, these padded sturdy envelopes should be your first choice. The bubble lining provides a layer of padding that normal laminated envelopes don’t.
• Opaque and Lightweight– These bubble lined envelopes are lightweight and do not add to your shipping costs. padded envelopes are completely opaque and protect the shipped item from prying and curious eyes. You can mail sensitive documents without fear in these bubble mailers.
• Super durable– The surface of this kraft bubble envelopes made from a durable kraft paper. The interior built with bubble lined wall construction for extra protection during transit, ensure the packages arrive in great condition.
• Tight seal– The selfseal closure provides a reliable, tamper-evident tight seal to secure all enclosures. The padded envelopes keep your shipment safe from damage and tampering until delivery. Extra smooth surface is perfect for handwriting, labeling and stamping.
• Multipurpose Envelopes– These mailer envelopes can be used in offices, at home, in shops, schools and everywhere where there is a need for shipping. These mailers come with a full guarantee. If you are not satisfied with the product we will refund or replace.

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• 💜Widely Use：200 pack Envelope Mailers 6×9 inch In Purple 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.
• 💜Eye Catching Options：These Small Size Shipping Bags were Purple outer surface,black inner lining.The 6×9 Poly Mailers used of opaque environmental 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, so they’re very forgiving of weirdly-shaped contents, and it’s easy to add in a bit of padding, like newspaper or bubble wrap, for extra protection.
• 💜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.

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• 💜Widely Use：200 pack Envelope Mailers 6×9 inch in Classic Blue are quite useful for soft items and large size products, such like T-shirts/jeans/baby products/snacks…they are definitely quite durable with excellent Self Adhesive Strip.
• 💜Eye Catching Options：These Large Size Shipping Bags were Classic Blue outer surface,black inner lining.The 6×9 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, so they’re very forgiving of weirdly-shaped contents, and it’s easy to add in a bit of padding, like newspaper or bubble wrap, for extra protection.
• 💜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.

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• 【WIDELY USE】 – The hot pink 6×9 mailer bags are quite useful for small items, such like T-shirts, blankets, scarves, jewelry, or other tiny accessories etc. They are definitely quite durable and the sticky strip sticks very well. Once it’s sealed, it won’t come apart like other self-sealing envelopes! This is a great product for mailing anything in!
• 【WATER PROOF】 – The poly mailer are 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. The Plastic Mailing is thin, durable, and quite flexible, so they’re very forgiving of weirdly-shaped contents, and it’s easy to add in a bit of padding, 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. 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.
• 【PROVIDES CONFIDENTIALITY】 – These poly mailers are hot pink outer surface, black inner lining. The Mailing Bags used of opaque materials convenient for protect your privacy with a professional appearance. You don’t have to worry about them tearing, adhesive holds up great.
• 【SAVE YOUR TIME AND SHIPPING COST】 – The poly mailer bags are good acceptable thickness for shipping soft-goods, these poly mailers 6×9 are very light weight, they are perfect for shipping out items without having to pay a lot of money. You can make them smaller if need be by folding them over. The red mailing bags have a peel-off strip that is very sticky that will seal the bag very well, it’s quick seal, no licking or water needed. The poly mailer bags are a good strong plastic shipping bag.

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• 💜Widely Use：200 pack Envelope Mailers 6×9 inch In Teal 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.
• 💜Eye Catching Options：These Small Size Shipping Bags were Turquoise outer surface,black inner lining.The 6×9 Poly Mailers used of opaque environmental 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, so they’re very forgiving of weirdly-shaped contents, and it’s easy to add in a bit of padding, like newspaper or bubble wrap, for extra protection.
• 💜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.

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• 【PROVIDES CONFIDENTIALITY】These poly mailers were white outer surface, black inner lining, so it looks like light grey color not a true bright white. The Mailing Bags used of opaque materials convenient for protect your privacy with a professional appearance.
• 【SAVE YOUR TIME AND SHIPPING COST】The poly mailer bags are good acceptable thickness for shipping soft-goods, and they are light enough to safe you some money on weight for shipping. The white mailing bags have a peel-off strip that is very sticky that will seal the bag very well, it’s quick seal, no licking or water needed. The poly mailer bags are a good strong plastic shipping bag. If you have many orders need to post everyday, these plastic mailing bags perfect for you!
• 【WIDELY USE】The 6×9 mailer bags are quite useful for small items, such like T-shirts, blankets, scarves, or other tiny accessories etc. They are definitely quite durable and the sticky strip sticks very well.
• 【WATER PROOF】The poly mailer are 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. The Plastic Mailing is thin, durable, and quite flexible, so they’re very forgiving of weirdly-shaped contents, and it’s easy to add in a bit of padding, 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. 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.

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• ✉【Teal Bubble Mailers】Usable Size: 6 x 9, pack of 50. These small bubble envelopes mailers add a pop of color to the mail and stands out from the rest, quite different from the standard one. Your customers will look forward to that charming Teal envelope in the mail. Those cute packing padded mailers are lightweight mailing envelops, which will not add to your shipping costs.
• ✉【Tear Resistance Envelopes】This padded package envelopes are with durable and sturdy surface, work great instead of paper versions that tear with sharp,heavy, or weird shaped products. Also made with multilayered polyethylene sheets, provide an excellent waterproof & cushioning protection for shipment.
• ✉【Multipurpose Bubble Mailers】You can use these to mail lip glosses, earrings, cosmetics, paintings, fashion accessories, jewelry, medicines, seeds and bulbs, makeup tools, pens, small gifts or objects, small buissnes supplies, and a lot more. They are padded enough to protect fragile things during shipping. The laminated top allows you to attach self-adhesive stamps and address labels easily.
• ✉【Self-Adhering Envelopes】The Teal poly bubble mailers come with a self-adhesive tamperproof seal. Once the envelope has been sealed, it cannot be opened without visible signs of tampering. The smooth surface of the mailers makes it easy to stick stamps and address labels. Mail without worry with Metronic delivery packaging & shipping bags.
• ✉【Cushion Cost-Effective Bubble Mailers】These are mailer envelopes lined with bubble .The padded envelopes are lightweight and water-resistant. Lower the shipping cost of your business. Keep your products safety and make your customer no complaint.
• ✉【Guarantee of Satisfaction】 All Metronic products come with our 100% satisfaction guarantee. If you are not satisfied with the product you can return or exchange. We offer quick shipping. This listing is for a pack of 50 bubble mailers teal.

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• ✉【Light Coral Bubble Mailers】Usable Size: 4 x 7, pack of 50. These small bubble envelopes mailers add a pop of color to the mail and stands out from the rest, quite different from the standard one. Your customers will look forward to that charming light coral envelope in the mail. Those cute packing padded mailers are lightweight mailing envelops, which will not add to your shipping costs.
• ✉【Tear Resistance Envelopes】This padded package envelopes are with durable and sturdy surface, work great instead of paper versions that tear with sharp,heavy, or weird shaped products. Also made with multilayered polyethylene sheets, provide an excellent waterproof & cushioning protection for shipment.
• ✉【Multipurpose Bubble Mailers】You can use these to mail lip glosses, earrings, cosmetics, paintings, fashion accessories, jewelry, medicines, seeds and bulbs, makeup tools, pens, small gifts or objects, small buissnes supplies, and a lot more. They are padded enough to protect fragile things during shipping. The laminated top allows you to attach self-adhesive stamps and address labels easily.
• ✉【Self-Adhering Envelopes】The Light Coral poly bubble mailers come with a self-adhesive tamperproof seal. Once the envelope has been sealed, it cannot be opened without visible signs of tampering. The smooth surface of the mailers makes it easy to stick stamps and address labels. Mail without worry with Metronic delivery packaging & shipping bags.
• ✉【Guarantee of Satisfaction】 All Metronic products come with our 100% satisfaction guarantee. If you are not satisfied with the product you can return or exchange. We offer quick shipping. This listing is for a pack of 50 bubble mailers Light Coral .

4.8 ⭐ ⭐ ⭐ ⭐ ⭐

• DIMENSION. 8.5×12 inch padded envelopes (usale size-8.5×11″), outer with pink poly film. The bubble envelopes feel nice to the touch and are perfect for handwriting, labeling and stamping.
• COST-EFFECTIVE BUBBLE MAILERS. The padded envelopes are lightweight and water-resistant. Lower the shipping cost of your business and protect your products on the rainy or snowy day.
• SELF SEALED ENVELOPES. 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.
• CUSHION MAILERS. These are pink mailer envelopes lined with 80gsm bubble. The padding is sufficient to mail the items that needed protection. Keep your product safety.
• MAIL STUFF. The envelopes are strong and you could mail books and other items. The quality of the mailer will hold up them in shipping well.

4.8 ⭐ ⭐ ⭐ ⭐ ⭐

• DIMENSION. 8.5×12 inch padded envelopes (usale size-8.5×11″), with opaque black poly film. The bubble envelopes feel nice to the touch and are perfect for labeling and stamping.
• COST-EFFECTIVE BUBBLE MAILERS. The padded envelopes are lightweight and water-resistant. Lower the shipping cost of your business and protect your products on the rainy or snowy day.
• SELF SEALED ENVELOPES. 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.
• CUSHION MAILERS. These are black mailer envelopes lined with 80gsm bubble. The padding is sufficient to mail the items that needed protection. Keep your product safety.
• MAIL STUFF. The envelopes are strong and you could mail books and other items. The quality of the mailer will hold up them in shipping well.