"Securi-Band Tyvek wrist bands are the perfect method of visually identifying your customers. Used for effective identification and admission control in a wide variety of applications, from amusement parks to nightclubs, ski areas, campgrounds, hospitals, schools, casinos and much more. Securi-Bands are great for crowd management, special privileges, catering, age ID, height restrictions and any application where a visual means of identification is needed. Each Securi-Band is sequentially numbered with its own unique number to assist in eliminating fraudulent use. Available in five highly visible colors."