What's inside a futsal ball?

What's inside a futsal ball?

If you're reading this, the chances are you've played futsal. Have you ever wondered what makes is less bouncy? Often people refer to the ball as heavier, but the specifications of a futsal ball actually state that it's lighter (by 10g), so what stops the bounce?

When you drop the ball from head height, it bounces to around knee height. The actual regulations state that it should have a bounce of 30%. While a football bounces much higher, what is the difference between the two balls?

Well, we have the answer - Don't worry it was a flat ball, so no good futsal balls were harmed in the making of this video: