The Beach Behemoth Giant Inflatable 12-Foot Pole-to-Pole Beach Ball by Sol Coastal GIGANTIC: Measuring 12 feet from pole to pole, we're pretty sure this puts other "jumbo" beach balls to shame CLASSIC: With an astounding 659,000 cubic inch volume, it's just like a classic beach ball, only gianter DURABLE: Made of thick, durable 30mil vinyl with reinforced seams, so play hard! FULL OF HOT AIR: Large, secure airtight valve keeps air in and won't tear or detach from the vinyl DONT BLOW IT: Electric pumps only! Please do not manually inflate. We had an intern try it, and he's still blowing