... cars, cyclists and pedestrians.4. This sling/neck strap would be very good road guider for Children and ... the twilight or dark places5. This sling/neck strap would also be excellent light guider for young peaple ... playing basket ball or take a run6. Such LED safety flashing sling are our new designers, they are ... red, yellow, blue, green, orange, pink, purple, white. led blinking adjustable neck strap