This hula hoop will be with colorful flash light when you use the hoop Available size: 71, 76, 81 Material: a) Tubing: PE, dia. of 1.8cm. B) LED: 3 LED unit C) Batteries: 3X3pcs AG3 batteries Good for physical exercise and fun at the same time Packing: 12pcsX3size/ctn ( for 80cm dia. ones) ctn meas: 85*85*17CM