Create a waterpark in your own backyard with the Wahii WaterSlide. Its 75ft long and 12ft wide! (A hill or an inclined slope is needed for this slide) Ideal for birthday parties, youth groups, church camp, company picnic, school fun or simply for creating childhood memories that will last a lifetime. Initial set-up takes approximately 20 minutes... the water slide is huge. No hose hook-up to the slide. The Wahii is constructed of thick specially formulated plastic. Surface is extremely smooth and rated to hold 256lbs per square foot. Tough and durable so it will last for years. The patented Fasteners hold the slide to the grass. The Original Wahii WaterSlide, making kids happy around the world since 2009. U.S. Patent # 8,419,557