XIANQI Note: the reflective bands can't illuminate by themselves, they will only be reflective when light falls on them. High Visibility: offers 360visibility reflective material, which makes you be seen 800 feets away by cars at any weather condition like dark, rain, fog , to keep you safe all the time. Useful at Night: Great for outdoor activities, like walking, running, cycling, motorcycling, skateboarding, Jogging, dog-walking, kids play. It is also good choice for anyone who works in dark. UNLIMTED SAFETY OPTIONS: the band can be used around wrist, arm and ankle , over clothing or attached to backpack or other items. It can be combined as needed when you order it. Note: the vests and wristbands can't illuminate by themselves, they will only be reflective when light falls on them. High Visibility: offers 360visibility, reflective material on the vest which makes you be seen 800 feets away by cars at any weather condition like dark, rain, fog , to keep you safe all the time. Useful at Night: Great foroutdoor activities:walking,running,cycling,motorcycling,skateboarding,Jogging,dog-walking, kids play. It is also good choice for anyone who works in dark. UNLIMTED SAFETY OPTIONS: A belt use around waist and chest and 2 wrist bands use on arm, ankle, leg, over clothing or attached to backpack or other items. UNISEX ONE SIZE FITS ALL: Stretchable elastic fabric reflective belt with durable quick access clip and ankle bands. Military pt belt style. Adjustable can wear over any clothing from shirt to jacket or ruck. SizeFull length 35 Width 5cm Package include2pcs*High Visibility Reflective Bands