The World’s Largest Beach Ball is the biggest available. Imagine all the fun you could have playing with this gigantic beach ball. The World’s Largest Beach Ball is great for the parties and for the beach. Looks just like the classic 3 color beach ball, but supersized. Inflates from 12inches flat to about 9 to 10 feet diameter when fully inflated. It is made by extra thick, 30mm vinyl material.