Make this a wet unit by simply connecting the garden hose to the internal water bladder system. The seams are heat sealed throughout the slide areas to minimize water leaking. With the built-in drain plug, simply remove the water from pool by unplugging the drain. No more hassle to detach the pool cover. The seams on the slide and pool area are completely sealed to minimize the water leaking. JumpOrange commercial-grade bounce house water slide is made of 15-ounce commercial grade Pvc vinyl. We only select the finest material translates to an incredibly long use-life inflatable product.