Custom Printing Adjustable 13.56MHz NFC NFC213 Bracelet RFID Silicone Wristband with Qr Code. Customizable Printing: Supports custom logo, QR code, and serial number printing per your request. Adjustable Size: Size 233x17mm is adjustable to fit various wrist sizes comfortably. Waterproof Design: IP67 rated, waterproof, and disposable for use in waterparks and gyms. Multiple Chip Options: Available with NFC213/215/216, MF 1K, Ultralight, and other chips. Fast Sample Delivery: Samples can be delivered within 1-7 days for quick verification. RoHS Certified: Product meets RoHS certification standards for safety and compliance. Global Shipment: Direct delivery or drop shipping available globally via Express, Air, or Sea. Quality Guarantee: 100% inspection before shipment with replacement for defective products.