Polythene Mailers - Blue
No01 Tourer Blue Opaque Poly Mailers are a tough, lightweight mailing solution designed for sending non-fragile items securely through the post or courier networks. Made from opaque blue polythene film, these mailers help protect contents from moisture and dirt while keeping items discreet in transit. This product page may include multiple options, so please select the variant that matches your required quantity and specification.
Key Features
Opaque blue film for privacy:
The blue opaque material helps conceal the contents during handling and delivery, supporting a more discreet customer experience.
55 micron (55mu) polythene construction:
Manufactured from 55mu film to provide a practical balance of strength and flexibility for everyday dispatch operations.
Lightweight protection:
Polythene mailers add minimal weight compared with boxes, helping reduce postage costs while still offering a protective outer layer against rain splashes and warehouse dust.
Designed for efficient packing:
A simple “bag-and-seal” workflow makes these mailers ideal for busy packing benches where speed and consistency matter.
Range-friendly product listing:
This listing can represent multiple pack sizes or purchasing options. Choose the variant that best suits your throughput and storage space.
- Product name: No01 229x318 (9x13) - 55mu Tourer Blue Opaque Poly Mailers
- Film thickness: 55 micron (55mu)
- Colour: Blue (opaque)
- Typical supply format: Box quantity options (commonly supplied in bulk packs)
Typical Uses
- Clothing and fashion items (t-shirts, tops, leggings, light outerwear)
- Soft goods and textiles (scarves, towels, bedding accessories)
- Printed materials and stationery (catalogues, notebooks, non-rigid items)
- E-commerce fulfilment where a lightweight, weather-resistant outer is preferred
- Returns processing (as an outer mailer for customer returns, where appropriate)
No01 Tourer Blue Opaque Poly Mailers — Full Product Guide
Choosing the right poly mailer is about matching the mailer’s size, film thickness, and opacity to the items you ship most often. No01 Tourer Blue Opaque Poly Mailers are intended for day-to-day dispatch of non-fragile goods where you want a clean presentation, quick packing, and a protective outer layer that stands up to typical handling in parcel networks.
How It Works
Poly mailers are designed to streamline packing: place the item inside, remove excess air where possible, and seal according to the closure method used for your chosen variant. Once sealed, the mailer forms a flexible outer wrap that helps protect against light moisture exposure and surface scuffs during transit.
For best results, match the mailer size to your product so there is enough room to insert the item easily without overstretching the film. A well-fitted mailer also helps reduce movement inside the pack, which can improve presentation on arrival.
Materials and Construction
These mailers are made from blue opaque polythene film at 55 micron (55mu). Polythene is widely used for mailing bags because it is lightweight, flexible, and resistant to tearing compared with paper envelopes of similar weight. The opaque finish helps keep contents hidden from view, which can be beneficial for customer privacy and for reducing the visibility of branded packaging inside.
Because polythene is flexible, it is particularly well suited to soft goods. For sharp-edged or heavy items, consider additional internal protection (such as an inner bag, wrap, or a more rigid outer pack) depending on your shipping conditions.
Size and Fit Guidance
This product name includes a size reference (often shown in millimetres and sometimes with an inch equivalent). Many mailers also include a lip or flap area used for sealing. When selecting a variant, consider:
- Product dimensions: Measure your packed item (including any inner packaging) rather than the bare product.
- Bulkier items: Allow extra room for thicker garments, folded hoodies, or multi-item orders.
- Presentation: A mailer that is too large can look untidy; too small can stress seams and increase the risk of splitting.
Floor Type Compatibility
Poly mailers are typically used at packing benches, in warehouses, and in retail backrooms. They work well in environments where parcels may be placed on racking, conveyors, or packing tables. If your operation uses automated bagging or sealing equipment, confirm compatibility with your specific machinery and workflow.
Health and Safety
- Manual handling: Use safe lifting practices when moving bulk cartons of mailers.
- Slip hazards: Loose polythene can be slippery on smooth floors—keep work areas tidy and dispose of offcuts promptly.
- Suffocation risk: Keep plastic packaging away from babies and young children.
Ideal Applications and Use Cases
E-commerce fulfilment: For online retailers shipping apparel and other non-fragile items, poly mailers offer a fast, cost-effective packing method. The opaque blue finish supports a discreet delivery experience.
Retail dispatch and transfers: Useful for sending stock between stores or to customers when a lightweight outer pack is sufficient.
Returns and exchanges: Many businesses include a mailer in the outbound parcel or use mailers internally for processing returns, helping keep items grouped and protected.
Maintenance, Cleaning and Care
Poly mailers are single-use packaging items and do not require maintenance. Store cartons in a clean, dry area away from direct sunlight and heat sources to help preserve film performance. Keep stock sealed in its outer carton or bag until needed to reduce dust build-up at the packing bench.
Case Study (Example Workflow)
A small apparel brand dispatching daily orders can standardise on a small set of mailer sizes to simplify packing. Staff pick and fold garments, place them into the appropriately sized opaque mailer, seal, apply the shipping label, and move parcels to the carrier collection area. By using lightweight poly mailers for soft goods, the business can reduce packing time compared with boxing every order, while still providing a protective outer layer for transit.
Who Is It For?
- Online sellers shipping clothing, textiles, and other non-fragile items
- Warehouses and fulfilment centres needing fast, repeatable packing processes
- Retailers dispatching customer orders from store or central stock
- Businesses looking for an opaque mailer to help keep contents discreet
Colours / Features Available
This variant is listed as blue opaque. If your operation uses colour-coding for different channels (e.g., retail vs. wholesale, domestic vs. international), an opaque colour can also help with quick visual identification at the packing bench.
Sizes Available
This product listing may represent a range of options. The title references a specific size format, and variants may be offered in different pack quantities. Please select the option shown on this page that matches your requirements.
Need help choosing?
If you tell us what you’re shipping (item type and approximate packed dimensions), we can help you select the most suitable mailer option from the available variants.