For kids, it is really difficult to learn the importance of teamwork from textbook. however water roller is a great tool to let kids learn how amazing teamwork is. it will be an amazing experience for 2 to 3 people together to get the roller rolling properly. our Water Roller Ball is made of imported thick high strength transparent coating PVC or TPU polyether materials, design of the three air chamber, ensure the gas chamber leak drum not sink, each end of the gas chamber force is 400 kg. It can take 2-3 people at the same time. Both sides are fully ventilated.there is no worry about tourists playing too long by obstructed breathing problems. our product is Ideal for any swimming pool, inflatable pool or lake. We provide the best Inflatable Water Roller Balls for all sort of water entertainment and amusement activities. Inflatable Water Roller Ball is barrel shaped sport equipment widely used in water sports and other aquatic fun activities. It is made with thick PVC material that helps in floating and has cup like inserts on the exterior to help it move forward on water. These giant cylindrical wheels are also known by many different names like water roller, water walker, zorb roller etc. An Inflatable Water Roller gives a hamster wheel effect where the rider runs inside the sphere to spin the roller while the inserted cups clutches the water making a rotating effect, does making the water roller to move forward. As the cylinder comes into rotation the rider starts flipping upside down and all around inside the tube that creates a lot of fun and amusement. These wheels are equipped with required handles and harnesses for extreme safety and are suitable for people of all age groups. These Rollers come in various colors and sizes, and that can be fully customized to suit your individual needs. There is also a possibility to have your logo imprinted on the exterior surface for a positive impact to its users and audience. They are great sporting equipment that can be used in pools, water parks, lakes and amusement parks. Our products are high in quality and durability that comes in a professional design which is also tested and certified. We offer you competitive price, quick delivery and a free after sales service. As a complement, for every inflatable water roller ball that you purchase, we also provide you all the accessories required for the usage, maintenance and storage totally free. Therefore, we recommend you not to settle down for other counterfeit company’s offering cheap knockoff’s as they can be dangerous and cause severe injuries.