UCEC Bicycle Bike Riding Cycling Wheel Rim Spoke Mount Clip Tube Warning Reflector Reflective Silvery Gray (12pcs) Easy to install, 360 reflection for improved visibility Material: Abs tube+ reflective coating film Inner Dia. : 1.9-2.4mm, Length: 80mm It's great ornament accessories and night protective equipment No matter in the day or night all can produce good reverse reflection place.