When you go to the hospital, you normally have to register first and then wait to be examined. While the registration receipt estimates the appointment time, it is often delayed or moved up depending on various situations. ST-bracelet is made of flexible e- Paper (with flexible sheet metal) and displays the number of the current patient. The user can then estimate the time remaining until his/her appointment and use the waiting time efficiently. After the examination, the patient can pick up the prescribed medication with the same bracelet , the bracelet is a sustainable solution that can be used again and again and saves paper.