A strong comfortable flexible and waterproof silicone bracelet Our silicone bracelets are made from top quality pure silicone and are 2mm thick providing a are great for young and old alike they are light-weight comfortable and easy to put on and take off. No difficult clasps to worry about. Our debossed ink filled silicone wristbands are easily sterilized and are 100 hypo-allergenic (non-toxic). The writing is actually cut into the silicone and then filled with special ink. The words Diabetes Type 1 - Insulin Dependent are clearly printed on the wristband. This means that they are easy to read and the writing will not rub off. Our silicone bracelets are soft flexible and very strong. They are totally waterproof and are great for normal day to day wear as well as for swimming and other sports.. Please measure your wrist size before you order to ensure proper fit. The 7 inch size fits older children and adults with small wrists. PLEASE NOTE: these bands are made from silicone not rubber and have limited stretching capacity.