
Poly mailers are plastic packaging envelopes made from polyethylene, a lightweight, strong, and durable thermoplastic polymer. They are used to ship non-fragile items that don't require the structural support of a box, such as clothing, accessories, and books. Poly mailers are a cost-effective and customisable option for ecommerce businesses, offering protection from dust, tearing, and water damage. They are also available in eco-friendly, biodegradable, and recyclable options, making them appealing to environmentally conscious businesses and consumers.
| Characteristics | Values |
|---|---|
| Material | Polyethylene, a type of thermoplastic polymer |
| Weight | Lightweight |
| Durability | Tear-resistant, waterproof, flexible |
| Eco-friendly | Eco-friendly alternatives available, including compostable, biodegradable, and recycled poly mailers |
| Protection | Protects items from dust, tearing, water damage, and minor bumps |
| Seal | Self-sealing adhesive strip, with a tear strip for easy opening |
| Size | Range of sizes available, from 6 x 9 inches to 24 x 36 inches |
| Cost | Cost-effective, with bulk prices around $0.25 per unit |
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What You'll Learn
- Poly mailers are made from polyethylene, a lightweight, flexible plastic
- They are durable, waterproof, and tear-resistant
- Poly mailers are cost-effective and customisable
- They come in a range of sizes and styles, including bubble-lined
- Eco-friendly poly mailers are made from recycled or compostable materials

Poly mailers are made from polyethylene, a lightweight, flexible plastic
Poly mailers are lightweight, protective mail envelopes made from polyethylene film. Polyethylene is a thermoplastic polymer that makes poly mailers durable, flexible, and incredibly sturdy. Poly mailers are designed to protect goods from moisture, dust, and minor bumps during transit. They are thin and weigh very little, which helps keep shipping costs down. Poly mailers are also waterproof and tear-resistant, making them ideal for shipping in various weather conditions.
Poly mailers come in a range of sizes, from small (6 x 9 inches to 9 x 12 inches) to large (18" x 51""), accommodating everything from earrings to large outdoor rectangular seating cushions. It's important to select the right size poly mailer for the product being shipped to optimize shipping costs and protect the item during transit. Poly mailers are typically sealed with a fold-over flap and a peel-and-seal adhesive strip, making them easy to close and ensuring contents stay securely inside.
While standard poly mailers are made of plastic, there are also eco-friendly alternatives available, such as compostable, recyclable, and biodegradable options. These sustainable poly mailers are made from recycled materials or compostable materials that can decompose back into the earth, helping to reduce waste and keep materials out of oceans and landfills.
Poly mailers are a popular choice for shipping soft goods or hard items that are not fragile or easy-to-damage. They are puncture-resistant and tamper-evident, providing protection from moisture and reducing the risk of return orders due to water damage. Poly mailers are also used for shipping items that are already in sturdy packaging, such as shoes or products packaged in cardboard.
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They are durable, waterproof, and tear-resistant
Poly mailers are made from polyethylene, a lightweight yet strong and durable plastic that is commonly used for shipping. Poly mailers are also known as polythene bags or plastic mailer bags. They are designed to be tear-resistant and waterproof, offering superior strength compared to other plastic bags. This makes them ideal for shipping items that need to be protected from water damage and tearing.
Poly mailers are a popular choice for shipping a wide range of items, from clothing and accessories to books and magazines. They are lightweight and take up less space than cardboard boxes, reducing shipping costs. They also provide protection from dust, tampering, and moisture, ensuring that goods arrive at their destination in perfect condition.
The durability of poly mailers lies in the fact that they are not easily torn or punctured. This makes them a more durable option than cardboard boxes, which can be more prone to tearing and punctures during shipping. Poly mailers are also reusable, as they are strong enough to be used multiple times, with packing tape easily sealing the tear strip after the initial opening.
In addition to their durability, poly mailers are also water-resistant, providing an extra layer of protection for goods during transportation. This makes them a good choice for shipping items that need to be protected from water damage, such as important documents, photographs, and fragile items.
Some poly mailers are made from compostable or recycled materials, providing a more sustainable and eco-friendly alternative to traditional plastic mailers. These mailers can be commercially composted or composted at home, helping to reduce waste and keep materials out of oceans and landfills.
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Poly mailers are cost-effective and customisable
Poly mailers are a cost-effective and customisable packaging option for businesses of all sizes. They are made of polyethylene, a light, synthetic resin that is the most widely used plastic in the world. Poly mailers are lightweight, durable, and moisture-resistant, making them ideal for shipping a variety of items. Their affordability, ease of use, and ability to protect products during transit make them a popular choice for businesses looking to reduce expenses.
One of the biggest advantages of poly mailers is their cost-effectiveness. They are more affordable than traditional packaging options such as cardboard boxes or mailer boxes, with prices starting at around $0.25 per unit for bulk purchases. This helps businesses save on shipping costs, especially when shipping lightweight packages under 13 oz through USPS First Class Mail, which starts at just $0.49. The lightweight design of poly mailers also reduces handling difficulties for both businesses and customers.
Poly mailers are also highly customisable. Businesses can add a personal touch to their shipments by custom-printing brand logos or other designs on the mailers, increasing brand visibility and reinforcing branding. They are available in a wide range of colours, from classic white to festive holiday red, adding style to shipments. Poly mailers with transparent fronts allow for excellent product display, while providing a space at the back for shipping information, labels, and branding.
The versatility of poly mailers makes them suitable for shipping a wide range of items, from small, lightweight products like phone cases and DVDs to larger items like clothing, jackets, and magazines. They are ideal for shipping fabric-based goods and are often used for items such as clothes, shoes, and documents. For fragile items, bubble-lined poly mailers offer extra cushioning and added protection during transit.
Eco-conscious businesses can opt for compostable or biodegradable poly mailers made from recycled materials, helping to reduce their carbon footprint and keep materials out of oceans and landfills. These sustainable alternatives to traditional plastic mailers are fully compostable and can be decomposed back into the earth.
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They come in a range of sizes and styles, including bubble-lined
Poly mailers are plastic packaging envelopes made of moisture-resistant polythene, a type of recycled plastic. They are lightweight, flexible, and durable, making them an excellent alternative to cardboard boxes. Poly mailers come in a wide range of sizes, from small (6 x 9 inches to 9 x 12 inches) to extra-large (20 x 24 inches to 24 x 36 inches). The size selected depends on the dimensions of the product being shipped. For example, small mailers are suitable for jewellery, while large mailers can accommodate larger clothing items or multiple pieces of apparel.
Poly mailers also come in various styles, including standard poly mailers, compostable mailers, and poly bubble mailers. Standard poly mailers are the most commonly used and are made of a thin layer of polyethylene. They are often used for shipping clothes, shoes, and documents. Compostable poly mailers, on the other hand, are made of compostable materials, providing an eco-friendly alternative to traditional plastic. They are becoming increasingly popular among businesses conscious of their environmental impact.
Bubble-lined poly mailers, also known as poly bubble mailers, are another style of poly mailer. They are similar to standard poly mailers but include a layer of bubble padding on the inside, providing extra protection for fragile items such as electronics, jewellery, and small accessories. This style of poly mailer is more expensive than standard poly mailers due to the additional layer of protection.
Overall, poly mailers offer a versatile, cost-effective, and lightweight packaging solution for businesses, contributing to reduced shipping costs and optimised shipping processes.
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Eco-friendly poly mailers are made from recycled or compostable materials
Poly mailers are typically made from polyethylene, a lightweight, flexible, and durable plastic. However, for eco-conscious brands, eco-friendly poly mailers made from recycled or compostable materials are available. These provide an excellent alternative to traditional plastic packaging, helping to reduce waste and keep materials out of oceans and landfills.
Recycled poly mailers are made from post-industrial and post-consumer materials, with the proportion of recycled content ranging from 50% to 100%. They are just as sturdy and moisture-resistant as traditional poly mailers and come in a variety of colours and sizes. Recycled poly mailers offer a sustainable and inexpensive packaging option, particularly for small, durable items like belts, wallets, and handmade crafts.
Compostable poly mailers, on the other hand, are made from organic materials that break down completely into natural compost. Some are crafted from blends of organic materials like cassava root and cornstarch, combined with compostable polymers. These poly mailers are certified for home and industrial composting and are designed to fully decompose within 90 to 180 days. Unlike recycled poly mailers, compostable poly mailers are not recommended by some sources due to the contamination they can cause in compost and the adverse effects they can have on the planet.
Kraft paper mailers, made from recycled kraft paper, offer another eco-friendly alternative to traditional plastic mailers. They are 100% compostable and recyclable, although they may not be as tear-resistant as other options. Overall, eco-friendly poly mailers made from recycled or compostable materials provide businesses with sustainable options to reduce their carbon footprint and contribute to a greener environment.
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Frequently asked questions
Poly mailers are made of polyethylene, the most common plastic family. Some poly mailers are made from recycled plastic, while others are made from compostable or biodegradable materials.
Yes, poly mailers are recyclable. However, it’s always good to check with your local recycling program to be sure.
Poly mailers are used for shipping non-fragile, lightweight items such as clothing, accessories, books, magazines, and small electronics. They are also used for shipping important documents and photographs.
Poly mailers can be purchased from most retailers that sell shipping supplies, including online vendors. They are also available from shipping suppliers like FedEx and from big-box retailers like Amazon and Walmart.







































