most of the balls are made of cowhide leather
The important material is leather.
An authorised table tennis ball is usually made of celluloid but it can also be made of similar plastics.
A tee-ball is made out of little to no cork, rubber, stitching, and many other materials.
A tee-ball is made out of little to no cork, rubber, stitching, and many other materials.
Some are still made from cork and leather. Many are now made from synthetic materials.
The answer to this question depends which sport are we talking about. The range of materials can range from natural, man made or composite.
A bowling ball is made from urethane, plastic, reactive resin or a combination of these materials.
Now the ball is from synthetic polymers.
Rubber.
The inside of a ping pong ball is empty, and the skin is made of celluloid. A common problem is that the ball is easily dinted. To remove a dint in the ball's surface, place the ball in hot water. The air inside expands on heating and pushes the dint out.
people,soccer ball
ii