zorb ball,zorbing ball,zorb,roller ball,grass ball,ball,ball,inflatable zorb ball,zorbing ball,grass ball,walking ball,zorb ramp Exciting zorb ball for 2011.zorb ball,zorbing ball,zorbing,zorb,grass ball,roller ball,zorb,zorbing,zorb ramp,zorbing slide,roller,roller ball,rolling ball,grass walking ball,walking ball1.Material:1.1mm pvc or 1.0mm tpu 2.Size:3.0m outdia*2.0m innerdia,or other size ...