Even real leather balls eventually lose their grip. That's why you should always have this grip spray with you. It makes the ball stickier and therefore easier to throw and catch. In a game, it's always important to be a little better than your opponent. With a sticky ball you have a slight advantage. However, the referees don't like it when a team gains an advantage.
This ball is made of real leather. In the case of natural products / natural materials, it may happen that this product has small impurities or small flaws. However, these are not grounds for complaint.