Vedante Super Reflective Pop Bands (Pair), Unpackaged Pops on easily, no Velcro, fits most anyone 3M scotchlite(tm) reflective material Tangerine, yellow and white reflective up to 1500 feet and material is ANSI 107-2004 compliant Pink, red, blue, and green reflective up to 500 feet Large 1.25 inches by 14.75 inches; Medium 1.25 inches by 11.75 inches