Material: The reflective running armbands are made of comfortable elastic fabric and reflective material, the reflective strips reflect in all directions, comfortable and adjustable Design: The reflective running armbands are designed with 1.5cm reflective strips, reflective strips reflect in all directions can help you be spotted at night, adjustable strips are easy to attach and release with velcro Adjustable: 35cm unstretched reflective running armbands, stretchable up to 60cm, 4cm reflective wristbands, stretched to fit most people Comfortable: reflective running armbands can easily be attached to the ankle, upper arm or wrist, they are very lightweight, you won't notice they're there, giving you optimal comfort Wide use: reflective running armbands can be used as wristbands, armband, sports accessories, running gear, good for running, jogging, cycling, walking, motorcycling, dog walking or any activity done at dusk or early in the morning