This glow-in-the-dark Autism Medical Alert wristband is available in infant, child, youth, and adult sizes. Glow in the dark feature makes it easily visible, even in the dark! Double layered silicone etched with easy to read information that says AUTISM, May not respond, May be unaware of danger, May resist help. Non-allergenic and extremely durable. Printing is recessed into band so that it won't rub off. Can be worn on wrist, ankle or attached to zipper or beltloop. There is some stretch to get it over the foot or hand. Available in 5.5 inch, a 6.5 inch, a 7.5 inch, and an 8.5 inch band. Attach a key ring loop (not included) and create a zipper pull or key fob. Use a larger size for the ankle! FREE SHIPPING IN THE US!