clear enough to be scaned. When you scan the code with a phone, the detail of patient name, disease, taboo drugs, status will show up. It is a good help for doctor and patient to know the treatment. All the medical bracelets should made from 100% silicone which is harmless and eco friendly. If the medical id bracelet is embeded with a chip, it will note down the information of exercise, heart beat and sleepicustom logo keychainsng. Tcustom logo keychainshen trafer it to the phone app. It contribute to health care. If it is for children or girls, it is better to be cute. How can we make it cute ? We can make it swirled or segmented with colors. Other intersting option is glowing in the dark and UV transfer. A figured bracelet is also popular. We can make it the shape we want like watch, heart. They must love it and wear it always. free. If you need to put your logo on wristband, JPG, PDF or AI file is appreciated. Our designer is skilled to transfer it into the digital proof. We will make it to your satisfaction. All we do for designing is free no matter you place the order or not. Besides we can send you photo physical sample before mass production if necessary. Regular sizes of a silicone wristband are 6”(150mm) for toddler, 7”(180mm) for youth, 8”(202mm) for adult in circumference and 1/4”(6mm), 1/2”(12mm), 3/4”(19mm), 1”(25mm) in width. We make it all together 2mm thickness. Regarding with the circumference, it is the most important factor to choose size in our order. It is the average sizes for toddler, youth and adult. The direct way to choose size is to measure the size of your wrist before selecting. We are always strict in quality of our product focusing on edge cutting, polluted mark and printed logo to make a best product for you.