Waterballonnen voor HydroPulse

Finally, water balloons that actually seal properly with the HydroPulse filler — no more wasted time tying knots. They hit the ground and burst on contact every time, which is exactly what you want for a hot summer afternoon. My only minor wish is that the pack came with a few more balloons for the

Filled a dozen of these for a birthday party and every single one sealed tight on the first try. The standard size is perfect for our HydroPulse setup, and they popped just as expected with a good throw.

I was worried these wouldn't seal right on my unit, but they lock in with zero leaks every time. The standard pack lasted me through a whole afternoon of backyard use without a single dud.