The Best Sustainable Shipping Solution for E-commerce Jewelry, Cosmetics, and Premium Brands
Improve your unboxing experience while keeping your purchases secure during transit. Winnerpak’s custom Kraft corrugated mailer boxes offer superior protection, outstanding brand attractiveness, and maximum ease. With a built-in double-sided self-seal tape and an easy zipper tear strip, this mailer box eliminates the need for plastic packaging tape, expediting your fulfillment process and making a lasting premium impression on your clients.
Smart Self-Sealing and Easy-Open Zipper: Includes an ultra-strong adhesive self-seal strip for secure closure (no tape required!) and a perforated tear strip (zipper closure) for a delightful, knife-free unboxing experience.
Robust Corrugated Protection: Made of high-density, crush-resistant Kraft corrugated cardboard (E-flute / F-flute) to absorb shock and protect fragile objects such as jewelry, premium presents, skincare, and electronics.
Made from biodegradable, FSC-certified organic Kraft paper, it is completely eco-friendly and recyclable. Demonstrate your brand’s dedication to plastic-free, sustainable packaging.
Inside and outside custom printing: Go beyond the standard brown box. We offer vivid bespoke printing on both the outside and the inside, including eco-friendly soy-based inks, exquisite gold/silver foil stamping, and high-definition brand logos.
Bespoke protective inserts: We provide specialized interior solutions like as custom-cut cardboard inserts, eco-friendly molded pulp, luxurious velvet-covered EVA, and high-density sponge to keep your jewels or merchandise securely in place.
| Color | Red/Blue/Black/White/Green/Brown/and more… |
|---|---|
| MOQ | 2000PCS |
| Model Number | Dimensions (L × W × H mm) | Corrugated Flute | Recommended Application |
|---|---|---|---|
| WP-KMB-01 | 50×40×30 | F-Flute (Slim) | Small Rings, Earring Studs, Micro Charms |
| WP-KMB-02 | 60×53×33 | F-Flute (Slim) | Delicate Pendants, Loose Gemstones, Brooches |
| WP-KMB-03 | 70×60×22 | F-Flute (Slim) | Flat Chains, Delicate Bracelets, Coasters |
| WP-KMB-04 | 72×62×60 | E-Flute (Sturdy) | Luxury Watch, High-Profile Ring Boxes, Perfume |
| WP-KMB-05 | 75×68×33 | E-Flute / F-Flute | Compact Cosmetics, Bangle Boxes, Jewelry Sets |
| WP-KMB-06 | 78×53×30 | E-Flute / F-Flute | Lipstick, Essential Oils, Drop Earrings |
| WP-KMB-07 | 80×40×30 | F-Flute (Slim) | Eye Liner, Mascara, Slim Bracelet Boxes |
| WP-KMB-08 | 80×60×35 | E-Flute (Sturdy) | Standard Jewelry Gift Boxes, Skin Care Travel Kits |
| WP-KMB-09 | 80×60×70 | E-Flute (Sturdy) | Double-Deck Jewelry Boxes, Luxury Mug/Glass |
| WP-KMB-10 | 80×80×80 | E-Flute (Sturdy) | Heavy-Duty Cubical Shipping, Scented Candles |
| WP-KMB-11 | 82×70×54 | E-Flute (Sturdy) | Premium Cosmetic Sets, Multiple Jewelry Items |
1)Best quality Polybag + 5-ply standard export carton or customized outer packaging
2)50~200pcs /CTN
3)CTN Size: depended on the actual weight and volume.

| Quantity (pieces) | 1000 – 100000 | >100000 |
| Est. Time (days) | 15 | To be negotiated |
Material Grades
Premium Kraft Cardboard in natural brown, bleached white, or sleek black.
Double-Face Kraft: A consistent natural brown hue on both the exterior and interior for an organic, rustic appearance.
Peel & Seal Tape: Includes high-tack adhesive tape for fast sealing.
Zipper Perforation (Tear Strip): A smooth tear-away strip provides a clean opening.
Side locking flaps: Double-walled sidewalls provide additional corner protection against drops.
Flexographic printing uses eco-friendly water-based inks.
Offset CMYK Printing (For lifelike and vibrant designs)
Hot Foil Stamping (gold, silver, rose gold, and black foil)
Spot UV, embossing/debossing
For Jewelry Small Business: Pair our Kraft mailer box with bespoke velvet jewelry pouches or little paper gift boxes. The robust exterior box provides protection, but the rustic Kraft texture contrasts well with the brilliant jewels inside.
For Cosmetics and Skincare Brands: Make modular cardboard or foam inserts for the mailer box (as seen in the product photographs) to exhibit bottles, tubes, and jars in a clean, professional, and secure manner.
For Subscription Boxes: Designed to withstand the rigors of the postal system while providing a fun “reveal” moment when the recipient tears open the zipper strip.
Direct Factory Wholesale pricing: As a leading Chinese jewelry box manufacturer, we eliminate the middleman and provide you cheap wholesale pricing.
Low MOQ and Fast Sampling: Rapid prototyping in as little as 1-3 days. Flexible minimum order quantities (MOQ) are designed to help expanding e-commerce companies and small businesses.
Global Logistics Support: Safe packaging in master boxes, palletized shipping, and dependable delivery to your warehouse worldwide.
Winnerpak’s FSC certification ensures responsibly sourced materials from sustainably managed forests. Our eco-friendly luxury jewelry packaging meets environmental standards while maintaining premium quality for conscious brands.
We operates under ISO9001 international quality standards, ensuring consistent excellence in custom jewelry packaging manufacturing. Our certified processes guarantee reliable quality control and on-time delivery.
Our packaging materials pass comprehensive SGS laboratory testing for safety, durability, and regulatory compliance. SGS verification ensures our jewelry boxes meet international safety and quality standards.
Let’s boost your product value through our beautiful, custom packaging solutions.
7×16×365 availability through WhatsApp/WeChat means you’re never alone in your packaging journey. We’re here whenever inspiration strikes or questions arise.
NO. 2206, Haizhu Xintiandi, 114th Industrial Avenue, Haizhu District, Guangzhou, 510250, P.R. China.
Winner Industrial Zone, Wen Quan Road, Huoju developing area, ZhongShan, 528436, P.R.China
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