ADJUSTABLE AND HIGH ELASTIC: Unlike other reflective armbands with velcro, it is large or small, and it is easy to fall off while running. Our new generation of reflective bands with buckle can be adjusted, whether worn by adults or children, it can be easily worn according to your height. MAXIMUM REFLECTION AND HIGH VISIBILITY: the armband reflective light reflects as soon as it catches light and dramatically increases visibility at dusk, in darkness and in poor lighting and visibility conditions. Road users (cars, buses/trucks, motorcycles, cyclists) are warned early through reflection and the risk of accidents is minimized. EASY TO INSTALL: The sturdy and practical buckle design makes the reflective strap easy and quick to install. Lightweight, soft and versatile, it provides more safety in daily life, and there are 4 reflective wristbands that protect you and your family at night. Perfect for jogging, running, biking, hiking and other outdoor activities - or just going to school HIGH QUALITY AND USABLE VERSATILITY: Due to the adjustable properties of the reflective tape and the stretchy material, it can be adapted to any body shape. Ideal for running, hikers, joggers, cyclists, motorcyclists, skateboarding, horseback riding, skating, dog riding, snowboarding, children's games and all other outdoor activities. .