| Type | Specification |
|---|---|
| Material | Multi-Layer LDPE / Co-Ex Poly Film – Flexible & Weatherproof |
| Outer Dimensions | 11 x 14 inches (279mm x 356mm) – Flat Style, Non-Gusseted |
| Film Thickness | Standard 2.5 Mil – Customizable Between 2 Mil to 4.5 Mil |
| Inner Liner | Black or Grey Opaque Inner for Enhanced Privacy |
| Color Options | White, Grey, Black, Transparent, Kraft – Custom Pantone Available |
| Sealing Mechanism | Permanent Peel & Seal Strip – Tamper-Proof Adhesive |
| Tear Resistance | High Strength Tensile Film – Puncture and Split Resistant |
| Print Availability | Custom Logo Printing (1–8 Colors) – Front, Back, or Full Surface |
| Finish Type | Matte, Semi-Gloss, or Textured Anti-Glare Surface |
| Ink Type | Solvent-Based or Water-Based Flexographic Ink (Eco Options Available) |
| Weight Capacity | Up to 6kg – Ideal for Apparel, Catalogs, Small Boxes |
| Packaging Format | 100–500 Units per Pack – Carton or Palletized for Bulk |
| Perforation | Optional Tear Line or Easy-Open Tab (Custom Feature) |
| Thickness Upgrade | Reinforced Film Options for Industrial or Heavy Use |
| Recyclability | LDPE Recyclable – Complies with Resin Code #4 |
| Moisture Resistance | 100% Waterproof Sealing & Humidity Barrier |
| Sample Access | Free 11×14 Blank or Printed Sample on Request |
| Custom Size Option | Yes – 11×14 is base spec, but any width/length can be ordered |
| Use Cases | Clothing, Books, DTC Packaging, Marketplace Fulfillment (eBay, Etsy, etc.) |
| Certifications | RoHS, ISO 9001, Reach Compliant – Safe for Retail & Export |
| Minimum Order | 500 Units – Printed or Plain |
11×14 Poly Mailers
11×14 Poly Mailers from The Product Boxes UK are the ideal packaging choice for fashion retailers, DTC brands, and eCommerce stores looking for lightweight yet reliable protection. Sized perfectly for folded clothing, soft goods, and promotional kits, these mailers reduce postage costs while keeping items secure with a strong self-sealing strip. Made from durable polyethylene, they resist moisture, tearing, and punctures in transit.
The smooth blank surface allows for clean labelling or full custom printing, and we offer free logo design on all printed runs to help new and growing brands stand out. Whether you need a clean, unbranded look or bold on-brand packaging, these poly mailers give you full control. Wholesale and bulk quantities are available with flexible turnaround times to support your fulfilment needs. Add your own design or request our in-house artwork support — it’s all part of helping you ship smarter. Proudly made and shipped across the UK.
Q. What items typically fit inside 11×14 poly mailers?
A. An 11×14 poly mailer is ideal for shipping medium-sized clothing items like jeans, hoodies, or folded jackets. It’s also suitable for catalogs, fabric samples, or accessories that require a snug but not overly tight fit.
Q. Are 11×14 mailing bags suitable for flat items like books or documents?
A. Yes, the 11×14 size offers enough space for shipping books, presentation folders, or large documents without folding. A cardboard insert can be added to prevent bending during transit.
Q. Do 11×14 poly mailers come with adhesive seals?
A. Most 11×14 poly mailers include a peel-and-seal adhesive strip, ensuring secure closure and tamper-evident protection without requiring tape or staples.
Q. What material is typically used in 11×14 shipping mailers?
A. These mailers are usually made from LDPE (low-density polyethylene), offering water resistance, tear resistance, and flexibility. Some variants are co-extruded for added strength and durability.
Q. Are these poly bags compatible with thermal shipping labels?
A. Absolutely. The smooth surface of 11×14 poly mailers accepts adhesive thermal labels easily, making them compatible with commercial label printers used in fulfillment centers.
Q. Is the 11×14 size allowed by most courier and postal services?
A. Yes, 11×14 mailers fall well within standard parcel guidelines for USPS, Royal Mail, FedEx, and other shipping carriers. They qualify as large envelopes or small parcels depending on thickness.
Q. Can 11×14 mailing envelopes be customized with logos or branding?
A. Definitely. The surface of these mailers supports screen printing, flexographic printing, or sticker applications, making them ideal for branded shipping and small business packaging.
Q. Are these poly mailers available in eco-friendly options?
A. Yes, some 11×14 mailers are made using recycled LDPE or biodegradable materials. These sustainable options help reduce plastic waste while maintaining similar performance levels.
Q. How much weight can a standard 11×14 poly mailer handle?
A. Standard 11×14 poly bags can typically hold up to 3–5 lbs of soft goods, depending on material thickness. Reinforced options offer even greater weight tolerance for bulkier shipments.
Q. Is the 11×14 mailer reusable or resealable?
A. While not typically resealable, some variants come with dual-seal strips to allow returns. Reuse is possible if the mailer is opened carefully without tearing the adhesive strip or film.
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A fluted box material is created to enhance the strength of the boxes for shipment purposes.
Cardboard
Light in weight and easy to print cardstock material that would be molded into any shape and style.
Kraft
Slightly brown paper-like thin material for packaging created by wood pulp and heaving eco-friendly nature.
Rigid
A thick cardboard box that is high in strength but also luxurious in presentation.
Holographic
An impressive as well as laminated paperboard that emulates a 3d look to colors.
Offset Print
High-quality and low-cost printing option that transfers the image to the box surface in a good resolution.
Digital Print
Digital printing techniques do not require any sort of printing plate as it transfers the image to the surface of the box easily without a plate.
UV Print
Safeguard the printed area from fading and make them more attractive.
Pantone
Utilization of a universally accepted color-matching system for printing the boxes.
Hot Foil Stamping
Print the foil detail by using the hot dies on the surface of the packaging boxes.
Cold Foil Stamping
It is a removable foil stamp that is applied without pressing any hot die or pressure on the boxes.
Blind Embossing
Create the raised area on the box surface by applying the pressure, not the inks.
Blind Debossing
Just like the craving on the box created by using letter plates or letter presses.
Registered Embossing
Create both the texture as well as the depth and endow a 3d effect to the area of the box.
Combination Embossing
Both the design as well as foiling is utilised at the same time to create a more appealing presentation.
Window Patching
Create a plain see-through cut in the box that is covered with a see-through plastic sheet.
Aqueous Coating
Provide tear-free impact to the packaging with a clear and fast-drying water-based coating at the time of printing.
UV Coating
Add protection against the damaging impact of UV sun rays by applying the UV coating to the packaging.
Spot Gloss UV
Annex the glossy effect on the specific areas of the packaging through spot coating.
Soft Touch Coating
Use the soft touch coating to make the darker and dull areas of the packaging velvety and smooth.
Varnish
Provides protection as well as perfect presentation to the printing part of boxes.
Lamination
A very thin plastic film is pasted in the boxes to make them more durable and long-lasting.
Anti-Scratch Lamination
This thin film of plastic is used to endow the scuff as well as scratch resistance to the boxes.