SeenFit High Visibility Reflective Sports Wrist Bands -Size to Fit- (Pair) Reflective 3m Bands: Choose your size - Can be worn on wrists, arms, ankles, upper and lower legs SIZE GUIDE: Skinny (small) fits 6"-10". Athlete (medium) fits 10"-14". BODYBUILDER (large) fits 14"-18" Comfortable and ensures your safety - perfect for runners, hikers, bikers, joggers, casual walkers, children and any sport which requires added visibility 360 Reflection assures that the velcro will NOT overlap the reflective strip, thereby protecting you on every side High Visibility - Be seen by motorists up to 700-900 feet. Makes the night and early morning SAFE to be out and about, walking, exercising, riding, or just enjoying the outdoors