
Double-wall BC-flute corrugated shipping mailer designed for heavy-duty ecommerce fulfillment by Guangdong Bincai Color Printing Co., Ltd. — a Diamond Member on Made-in-China.com with 22 years of manufacturing excellence (founded 2003). The BC-flute double-wall construction provides superior crush resistance for fragile and high-value items, while the integrated tear strip and self-seal adhesive strip enable quick, tool-free opening and secure closure without additional tape. Produced on KBA 1050 4-color and Heidelberg 7+1 UV presses across our 18,000 sqm facility (10,000+8,000 smart factory, 2025 expansion). Daily output: 1.7 million color boxes + 220,000+ gift boxes.
Applications
- Heavy-duty ecommerce shipping for consumer electronics, small appliances, and hardware
- Subscription box fulfillment requiring crush-resistant outer packaging
- Apparel and footwear shipping with tear-strip convenience for end customers
- Industrial parts and components shipping with double-wall protection
- Fragile goods shipping where single-wall corrugated is insufficient
Customization Options
- Full CMYK offset printing on kraft liner with brand graphics and product imagery
- Matte or gloss varnish for moisture resistance and premium finish
- Tear strip placement: top, side, or diagonal configurations
- Custom tear strip branding with printed patterns or company name
- Self-seal adhesive strip with release liner for instant box assembly
- Custom dimensions: length 200–600mm, width 150–400mm, depth 50–200mm
- Box styles: regular slotted container (RSC), full overlap, or custom die-cut
Production Specifications
- Material: BC-flute double-wall kraft corrugated, 6.5–7.5mm thickness
- Printing: KBA 1050 4-color offset + Heidelberg CD 102 7+1 UV for premium graphics
- Finishing: Tear strip insertion, self-seal adhesive application, die-cutting, gluing
- QC: Edge crush test (ECT) ≥ 32 lbs/in, burst strength ≥ 200 psi per TAPPI standards
- Certifications: ISO 9001:2015 quality management, FSC-C147399 chain of custody
Quality & Capacity
Built in our 18,000 sqm manufacturing facility with dedicated corrugated converting lines. Our double-wall mailers undergo inline quality checks for flute bond integrity, tear strip alignment, and adhesive peel strength. With 22 years of experience and a daily output capacity of over 1.7 million boxes, Bincai delivers consistent quality for both small-batch custom orders and high-volume fulfillment programs.