The giant WOW 10' Dia. Under the Sea Inflatable Backyard Splash Pad Wading Pool with sprinkler is made of extra-thick, heavy-duty PVC that's more than twice as thick as most splash pads on the market. The built-in sprinkler system is adjustable. Large enough for the entire family to use as a wading pool. Large enough for the entire family to use as a wading pool | WOW Under the Sea 10' Inflatable Splash Pad Wading Pool with Sprinkler