The LED armband is designed to be highly visible in the nighttime activities to keep you safe. It is lightweight, won't cause fatigue and discomfort due to long time wearing. Suitable for running, jogging, dog walking, mountaineering and other outdoor activities. Features -Color: Yellow, Green -Material: Nylon, LED Electronic Components -Size: 28.00X2.50X1.00cm/11.00X0.98X0.39in -Made of premium nylon material which is good for durable use and wide applications. -Adjustable design helps to wrap securely around wrists or lower arms, perfect for arm, wrist, ankle and leg. -Our reflective bands have strong stretches, you can adjust at any time depending on your body. -Perfect for walking with dogs, running, jogging, cycling, sports and other night activities. -You can easily be seen from all angles with this safety band, adding visibility at night. Package list: 2 x Sports Glowing Bracelets