Protect your products with confidence using our Heavy-Duty Square Corrugated Mailer Box.
Made from extra-thick kraft corrugated board, this rigid mailer box is designed to hold mugs, cups, fragile items, or gift products safely during shipping or storage. Its square shape and flat-pack folding design ensure durability without sacrificing space efficiency.
Ideal for e-commerce shipping, gift packaging, and retail delivery, this box can be fully customized with your logo, size, color, and inner inserts. Whether you’re sending out handmade mugs, ceramics, or brand gift kits, this packaging ensures a strong first impression with reliable protection.
| Material | Corrugated Kraft Paper (3-layer / 5-layer optional) | | Size | Square – Customizable to fit cups, mugs, or other items | | Style | Foldable Mailer / Tuck Top / Die-Cut Flaps | | Lead time | 10~15 Working Days | | Certificate | ISO9001/FSC/BSCI/German Rhine certification | | Printing | CMYK printing / PNTONE | | Design Format | AI, PDF, CDR, PSD | | Surface Finishing | embossing / debossing / gloss lamination / matte lamination / gold foil stamping /Spot UV | | Design | Customer's Specific Requirement | | Finishing | Golding/Silver Hot Stamping etc | |
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About our factory
We are a leading manufacturer of custom corrugated packaging and heavy-duty mailer boxes, trusted by global brands for safe and stylish delivery.
From square mug boxes to e-commerce shipping cartons, we provide rigid, reliable, and customizable solutions tailored to your product.
Our factory uses high-strength paperboard, advanced die-cutting machines, and strict quality control to ensure every box is built to protect. We support small MOQ, OEM/ODM services, and global export for growing brands, online sellers, and gift businesses.
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Cosmetic boxes, soap aromatherapy boxes, toothpaste and toothbrush boxes, power banks, clothing and jewelry boxes, etc.
Carton Forming Machine
Gift Box
Paper Bags Gift Bags
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Service Process
