You'll feel safer when performing outdoor activties while wearing these Night Running Safety Lights that will make the wearer more noticeable in the dark. • Elastic band with Velcro closure that expands up to 16 inches • Fully adjustable,fits on arms or legs • (2) Light settings(continuous and flash) • Push button on/off switch • Clear light up band with colored trim • Includes button cell batteries These Night Running Safety Lights are great for marathons, night events and more! LED Arm Leg Band Night Warning Safety Wristband Light