RFID Rewritable T5577 125kHz Writable Silicone Wristband Black Adult Size. Customizable Color Options: Available in Blue, Red, Black, White, Yellow, Grey, Green, Pink, or customized PMS color. Multiple Chip Types: Supports LF, HF, UHF, NFC, dual chip, or customized chip configurations. Diverse Customization Crafts: Offers silk screen printing, laser engraving, embossed logo, QR code, and chip encoding. Wide Size Selection: Over 20 silicone molds available for Men, Women, and Kids in various shapes. High Write Endurance: Capable of withstanding 100,000 write cycles for long-term reuse. Versatile Applications: Suitable for fitness, spas, hotels, hospitals, schools, and event management. ISO Certified Quality: Complies with ISO standards for protocols and general certification.