... ,zorb,roller ball,grass ball,ball,ball,inflatable zorb ball,zorbing ball,grass ball,walking ball ... ball,roller ball,zorb,zorbing,zorb ramp,zorbing slide,roller,roller ball,rolling ball,grass walking ball ... TPU ,The TPU material is odourless and with good hydrolytic resistance and excellent flexibility,which suitable for used ... at very hot and cold weather.2.This one can playing ...