4x6 thermal label is a self-adhesive label that uses thermal coating technology and can be quickly printed without ink or carbon tape. Its core size is 4 inches (width) x 6 inches (height) (approximately 101.6mm x 152.4mm). This size is a universal standard in the global logistics and e-commerce industry, widely recognized by mainstream courier companies such as USPS, FedEx, UPS, etc. It can be directly used for package label printing without cutting.

1. Rapid Printing: Utilizes thermal color development technology, eliminating the need for ink, ribbons, or other consumables, significantly reducing material costs.
2. Clear Printing: Features a premium thermal coating to ensure barcodes, QR codes, and text remain crisp and legible.
3. Durable: Features water, oil, and scratch resistance, maintaining legible label information even in humid conditions or during handling friction.
4. Strong Adhesion: Suitable for diverse surfaces including cardboard boxes, plastic bags, shipping envelopes, and more.
5. Eco-Friendly & Non-Toxic: BPA/BPS-free, compliant with environmental standards for safe and reliable use.
6. High Compatibility: Supports multiple printer brands.

High-quality labels not only reflect brand professionalism but also impact customer experience.
We provide clients with consistent quality + factory-direct pricing + customized services, ensuring full control from material selection to packaging design.

📞 Contact us now to request samples or quotes and experience a more efficient label printing solution!
💬 We support OEM/ODM customization services to help you enhance brand recognition and operational efficiency.