







Custom Poly Mailers
Free shipping
Delivered within two weeks
Design online or send design to info@unpakful.com
Stand-out Shipping, Zero Extra Weight
Turn every parcel into a branded experience with our Custom Poly Mailers. Printed edge-to-edge with your design, these lightweight, durable envelopes protect soft goods and keep postage costs down.
- Full-bleed custom print – Showcase logos, colours, patterns or QR codes in rich detail.
- Rugged multi-layer film – Tear-, puncture- and water-resistant LDPE keeps products safe in transit.
- Self-seal adhesive – Peel, press and ship—no extra tape needed.
- Six stock sizes – From 6 × 9 in to 20 × 28 in to fit apparel, accessories, books and more.
- Low minimums – Start at just 50 pieces per design.
Perfect for fashion labels, subscription boxes, boutiques, books and any brand that wants every delivery to leave a memorable impression.
How to order
- Select size and quantity.
- Upload your artwork—or create a design in minutes.
- Approve your digital proof.
- We print & ship fast, worldwide.
Upgrade your unboxing experience and let your packaging speak for your brand.
Use custom poly mailers to improve your brand awareness
Enhance your brand's visibility and customer experience with our Custom Poly Mailers. These mailers are not just packaging solutions; they are a powerful branding tool that can significantly boost your brand awareness.
Easily design and order your custom poly mailers
- Click the DESIGN NOW button above.
- Upload a logo image.
- Input your social media account and website if needed, which will be printed on the bags.
- Adjust the logo size if necessary, and check the final design.
- Prepare yourself for the excitement that lies ahead. We will start production, and your order will soon be delivered right to you!
Discover Vibrant Custom Poly Mailer Bags - Choose Your Bag Color!
Available Poly Mailer Sizes
Quick reference for ordering. Sizes shown in inches and centimeters (cm).
| Size (inches) | Size (cm) | Typical uses |
|---|---|---|
| 6″ × 9″ | 15.3 × 23 | Jewelry, socks, small accessories |
| 7.5″ × 10.5″ | 19 × 27 | Kids’ clothing, thin T-shirts |
| 9″ × 12″ | 23 × 30 | Adult T-shirts, folded tops |
| 12″ × 15″ | 30 × 38 | Hoodies, pants, multi-item orders |
| 15″ × 20″ | 38 × 52 | Sweaters, jeans, light jackets |
| 18″ × 24″ | 45 × 60 | Bulky apparel, winter clothing |
| 20″ × 28″ | 50 × 70 | Oversized garments, bulk shipments |
Tip: For faster packing, choose a mailer that’s 2–5 cm larger than your folded item size.
Need detailed sizing help? View the complete poly mailer size chart & guide →
Find Your Best Size
Enter your product’s folded dimensions to get a recommended UNPAKFUL size.
UNPAKFUL POLY MAILER SIZE CALCULATOR
SWITCH CM/IN — WE’LL AUTO-CONVERT YOUR NUMBERS.
Note: For bulky fabrics or if you’re between sizes, size up.
FAQ
We are more than happy to accommodate any size and thickness customization. Feel free to utilize our chat tool for real-time online assistance or contact us directly. Our pricing will be tailored to your specific requirements in terms of size and thickness.
We offer expedited international air shipping for all custom tissue paper orders.
The total lead time for your order, including production and shipping, will be two weeks. Please note that for order quantities above 10,000 pcs, there might be an additional 6 days of processing time.
If you need any further customization, please contact us for a quote
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