... not so excellently in material functions, but cheaper.2), generally, how long can people stay in the water ball ... 30 minutes3), HOW DO YOU GET INSIDE OF THOSE BALLS?We have a zipper!4), HOW DO I BLOW THEM UP ... run. .......soon you'll be" water walking" in no time!6), NIGHTIME WATER FUN INSIDE THE ... safety rope, at night, thus allowing for floating in privacy. Lots of couples have enjoyed a romantic ...