... 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 ... other size 2010 exciting zorb,exciting zorb,inflatable ball's details informaiton are as below:1.Material:1.0mm pvc or 1.0mm tpu2 ...