A unique 'Worker Safety' helmet ID is easily fitted to the exterior of each worker?s hard hat. It securely stores their critical and potentially lifesaving ID information essential in the event of a serious accident or medical emergency. Weighs less than 5g. Features 3M Scotchlite reflective material, assisting workers to be seen by others in low-light situations. 100% waterproof, very durable and can be worn in any weather conditions. Security flap protects the workers information (ensures data protection). Tested to ensure the ID will not weaken or damage the worker?s safety helmet hat in any way. A low cost solution to provide a back-up & reinforce your existing on-site safety procedures.