Ultra-bright Vizlet Wearable flashing LED reflector is super versatile. Wear it on shorts/waistband, hydration belt, pack/bag strap, shirt sleeve/collar, vest, caps/hats and more. Brilliant LED for maximum visibility.Easy to attach with integrated dual magnet.Available in two shapes and three fluorescent colors.Less than 1/2 ounce, Vizlet LED adds feather-light reflectivity/brilliant fun..