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Eliminate smudging & printer jams. Designed for UPS, FedEx, USPS & Amazon FBA.
Save up to 37% on label costs without compromising speed or adhesion.
✅ 30+ years ISO 9001 certified factory | 50,000+ happy B2B clients
Low-grade paper warps under heat. A single jam stops your packing line for 12+ minutes. At 200 orders/hour, that’s $1,800 lost per jam.
Thermal paper with poor coating fades or smears when scanned. US carriers reject unreadable labels, costing you $4.50 per return in re-shipment fees.
Cheap labels peel off corrugated boxes below 40°F. Your packages arrive bare, lost, or delayed — eroding customer trust and your Amazon metrics.
Importing from unknown brokers adds 2–3 weeks to lead time. You’re never sure if the next batch will meet spec. No QC = unpredictable quality.
Most 4x6 labels come on 6″ cores that waste container space. You pay for 30% more freight than necessary.
PVC-based liners clog landfills. Your CSR report suffers, and eco-conscious buyers walk away.
With 30+ years of thermal paper expertise and a 10,000㎡ ISO 9001 facility, we deliver 4x6 labels that run flawlessly on Zebra, Rollo, Brother & all direct-thermal printers.
Top-grade heat-sensitive layer ensures crisp, scannable barcodes at speeds up to 12 ips. Zero smudge — guaranteed.
Permanent acrylic adhesive bonds to corrugated, poly bags, and recycled cardboard. Holds firm from -20°F to 160°F.
shipping label paper 4x6 4x6 shipping labels shipping labels 4x6
Consistent 4″ × 6.25″ size with ±0.5mm tolerance. Fits perfectly in label dispensers and auto-applicators.
70% of orders ship within 7 days. US West Coast warehouse delivers in 3–5 days. No broker markups.
BPA-free & PVC-free. Recyclable liner program available for volume buyers. Reduce carbon footprint by 23%.
Every batch tested for adhesion, print density, and tear strength. 99.7% pass rate — data you can trust.
| Parameter | Kingcolor Standard | Industry Benchmark |
|---|---|---|
| Size (die-cut) | 4″ × 6.25″ (101.6 × 158.75 mm) | 4″ × 6″ (varies ±2 mm) |
| Core diameter | 1″ / 1.5″ / 3″ (optional) | 1″ only |
| Roll length | 220 ft / 500 labels (standard) | 180–200 ft |
| Label material | Direct-thermal paper, BPA-free, bright topcoat | Standard thermal (may contain BPA) |
| Adhesive type | Permanent acrylic, UL recognized | General-purpose rubber |
| Temperature range | -20°F to +160°F | +20°F to +120°F |
| Printer compatibility | Zebra, Rollo, Brother, Datamax, Toshiba, Honeywell | Limited to 1–2 brands |
| Shelf life | 3 years (68°F, 50% RH) | 1–2 years |
| Certifications | ISO 9001, BPA-free, RoHS, REACH, FDA | Varies |
"We ship 800+ orders daily. Kingcolor labels never jam and the adhesion is incredible even on cold boxes. Saved 28% vs our previous supplier."
— James H., Fulfillment Manager, Chicago, IL
"I tested 5 different label brands before settling on Kingcolor. Best print contrast, best stick. Their customer service is super responsive too."
— Priya K., E-commerce Owner, Austin, TX
"Great product for the price. My only wish is that they offered a smaller MOQ for startups, but the quality is undeniable. Will reorder."
— David R., Founder, Denver Print Shop
"We switched our entire warehouse to Kingcolor 4x6 labels. Zero compatibility issues with our Zebras. Adhesion on poly bags is excellent."
— Lisa M., Warehouse Director, Seattle, WA
"Finally a reliable supplier for 4x6 labels. Fast shipping from US stock, consistent quality every batch. Exactly what we needed."
— Michael T., Procurement Lead, Phoenix, AZ
About the author — Daniel Zhao
Senior thermal paper engineer with 18+ years at Kingcolor. Daniel oversees R&D and production for the company’s North American label line. He has personally helped over 200 US logistics companies optimize their label supply chain.
Limited-time: free sample pack (10 sheets) + free 48h express for qualified B2B buyers. Plus, first order gets 10% discount + free shipping.
✅ 30-day money-back guarantee on first order. No questions asked.
📞 Or email deborra@dcolorpaper.com | Contact Page
🏢 Room 809, Floor 8, Building 1, Longhua Design Industrial Park, Hongmu 3rd Road, Minzhi Street, Longhua District, Shenzhen
🏭 Trusted by 500+ logistics & e-commerce leaders