By no means is this type of ball similar to a typical soccer ball. For starters, instead of air, its bladder is filled with foam. In this case, the ball has less bounce and is heavier in order to facilitate its purpose; meant to be used on a hard surface indoors. This size 4 ball may also have suede castings which help to stabilize the ball on a slippery floor.
The Futsal ball is typically smaller, harder, and heavier, allowing for less bounce and better control on harder surfaces. Senda Athletics is the official ball partner of U.S. Youth Futsal and the Vitoria is the Official Ball of the USYF League. Accented with bright red or green and created with fair trade practices, its stamp of "Respect," "Joy," and "Community" expresses the company's philosophy.
The soccer ball has gone through various changes just as the football game. As opposed to yesterday’s football ball that had stitches and seams and the classic black and white design, today’s soccer balls are designed with the latest technology that lets the ball bend more, fly quicker and also dip harder. Besides, they are quite soft that they let players kick the ball further without risking injuries. https://www.youtube.com/watch?v=DGp37du0xbQ