Features: Safety: The reflective slap armband offers you more safety when walking cycling hiking or jogging in the dark or at night - The neon-green strip glows when light falls on it. Let There Be Light: The reflective bands can reflector film in neon yellow reflects car headlights bicycle lights and other light sources. Adaptable: The snap bracelets adapts to a diameter of up to 30 cm simply place it on your hand or ankle whether on the skin or over your jacket trouser etc. Versatile: The glowing strip bracelets for men women boys and girls give more visibility while on a run cycling with your bike or walking. The bands make a great addition to your outdoor or even for concerts. After-sales Service:If you have any problem please contact us immediately we will help you solve it as soon as possible. Specification: Material:PVC Size:30*3cm includes: 1*Band