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Send your cookies to your customers with a sense of security with PackagingBull’s elegant heavy duty cookie mailer boxes. These boxes are designed of strong cardboard that ensures that fragile treats do not get broken or crumbled during transportation keeping every cookie as fresh and perfect as they were baked. Our Custom mailer boxes are lightweight, but durable which makes them perfect to transport, give as a gift, or place an online order at the bakery. You can also add your logo, colors and designs and make every delivery a branded experience. Our cookie branding mailer boxes are eco-friendly and food safe. Select PackagingBull and send the sweetness with a style!

| Box Style | Custom Cookie Mailer Boxes |
| Dimension (L + W + H) | All Custom Sizes & Shapes |
| Quantities | No Minimum Order Required |
| Paper Stock | 10pt to 28pt (60lb to 400lb) Eco-Friendly Kraft, E-flute Corrugated, Bux Board, Cardstock |
| Printing | No Printing, CMYK, CMYK + 1 PMS color, CMYK + 2 PMS colors |
| Finishing | Gloss Lamination, Matte Lamination, Gloss AQ, Gloss UV |
| Included Options | Die Cutting, Gluing, Scored, Perforation |
| Additional Options | Custom Die, Custom Window, Gold Foiling, Silver Foiling, Embossing, Spot UV and Debossing |
| Proof | Flat View, 3D Mock-up, Physical Sampling (On request) |
| Turnaround | 4 – 8 Business Days, RUSH |
| Shipping | FLAT |
Q1. What are custom mailer boxes?
Custom mailer boxes are sturdy, foldable packaging boxes designed for shipping, e-commerce, and retail. They can be fully personalized with your brand’s logo, colors, and design for a premium unboxing experience.
Q2. Why should I choose custom mailer boxes for my business?
They provide strong product protection during delivery, build brand recognition, and offer an eco-friendly packaging solution. A well-designed mailer box also enhances customer satisfaction and boosts repeat sales.
Q3. Can I order mailer boxes in custom sizes?
Yes! At Packaging Bull UK, we create custom-sized mailer boxes tailored to fit your products perfectly, reducing wasted space and shipping costs.
Q4. What materials are used for mailer boxes?
We offer durable corrugated cardboard, kraft, and eco-friendly recycled materials, ensuring both strength and sustainability.
Q5. Do you offer printing and finishing options?
Absolutely. You can choose from custom printing, matte/gloss finishes, embossing, foil stamping, and UV coating to make your mailer boxes look premium and unique.
Q6. Is there a minimum order quantity (MOQ)?
We provide low MOQ options to support startups and small businesses, making professional packaging accessible to everyone.
Q7. Do you provide free design support?
Yes! Our team offers free design services to help you create mailer boxes that perfectly showcase your brand identity.
Q8. How long will it take to receive my order?
Production usually takes 7–12 business days after design approval, with free and on-time doorstep delivery across the UK.
Q9. Can I get a sample before bulk production?
Yes, you can request a sample to check material quality, printing, and size before placing a larger order.
Q10. Why choose Packaging Bull UK for custom mailer boxes?
We are trusted as one of the best packaging companies in the UK, delivering premium quality, eco-friendly custom mailer boxes with free shipping, low MOQ, and timely delivery.



















































Free Design Support
Free Custom Box Dieline
Free Shipping






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