High Visability 4 LED Reflective Armband / Legband for Cycling / Walking / Adults and children. 4 ultra bright LED lights can be switched on with the press of a button. Flashing or steady Strong Velcro fastening for easy adjustment to the perfect size can be used on children Elastic strap allows for use on legs and larger arms Battery included and can be changed for years of use Highly reflective armband for the added safety when cycling, walking, jogging, running and more.