Hy HyVIZ Equestrian Reflector Phone Holder Yellow. Be safe â€\\\" be seen with the HyVIZ Equestrian Reflector Phone Holder from Hy. Keep your phone close at hand whilst giving you that extra coverage for visibility. Made with a fluorescent yellow material with silver reflective stripes, the Reflective Phone Holder can be easily secured around the arm with the touch tape strap and features a transparent pocket for you to insert your phone. With a zipped pocket on the strap for carrying your keys, change or little bits and bobs, the Reflector Phone Holder is the perfect multi use accessory.