... Specifications:The KD-WB04 HF Series Silicon RFID wristbands for wholesale and retail are made of silicon and embedded RFID High Frequency (13 ... , parks, resorts, concerts, fairs, events, play centers, etc.Features:Silicone made, tough, waterproof, non-tear and non-stretchCustomized logo, color and ... Temperature-30°C~120°CWeight30g High Frequency (13.56MHz) RFID Silicon Wristband