As the name suggested, human water walking ball is for human to walk, run or flip inside a huge plastic ball on the water. The safety of human water walking ball is highly concerned, for it is played on the water surface. Water walking ball needs to make sure the material is high quality and does no harm to neither the environment nor the human health. As for inflatable-zone, we employ the PVC / TPU material which is totally up to the standards and we use the zipped imported from Germany to ensure that it is waterproof and with no gas leakage. And right now, we offer human water walking ball for sale, which is the perfect time to purchase now!