20 Ocean Wave Inflatable Dual Slide Wet/DryHullaBalloo's 20' tall Wave Inflatable Dual Slide Wet Dry is a summertime must have. Great for big events, use this dual slide wet or dry. Use the stairs to climb to the top and have the option of not one but two slides. Use the non slip stairs to climb to the top and have the option of not one but two slides, and you slide into an inflated pool. Our slides have a safety netting at the top of the slide, which includes a water mister. All our slides