Adjustable high quality soft gel PVC wristband in Blue with EM4102, 125KHz transponder chip inside. Strap length 235mm (adjustable). Face diameter 35mm, strap width 20mm. Waterproof (IP67 rated). Available in different colours (red and black are the next most popular colours). Custom printing on the face is available, please contact us for a quote for this (minimum order for custom printing is 100 pieces).