The armband is lightweight to be used for wearer of all ages. Comfortable on both children and adults and pets. To put it on, first straighter up the band and simple slap again the wrist, arm or angle part, it will curl wrap automatically. This glow bracelet has versatile application, such as but no limited to: runners, cyclists, campers, night walkers, auto safety, combine with safety vest, child safety, runner gear. Your logo is highly welcome.