Mini Football Learning Ball Diabolik Size 1 - Yellow

The story behind this ball

In addition, we have conducted numerous lab tests to guarantee the ball's ability to withstand every hit.

Too light? Too heavy? The weight is standardised...

The ball weighs between 125 g and 155 g.

How big is it? What's the circumference?

This ball measures between 47.0 cm and 49.0 cm.

A "round" ball?

We measure the football's sphericity at 4500 different points and then examine any differences.

When over 2% difference occurs, our engineers strive to improve the sphericity to ensure a regular bounce.

Maximum pressure loss test: here's what we do...

We inflate the ball to the recommended pressure (meaning 0.5 bar).

72 hours later, loss of pressure must not exceed 15%. This also means that it is quite normal for a ball to lose pressure after a few days.

We've also tested how much water the ball absorbs...

We simulate rainy playing conditions in a lab, leaving the ball to sit in 2 cm of water on a pivoting support whilst subjecting it to 250 compressions.

At the end of the test, the ball must have absorbed no more than 15% of its weight.

How about you? What do you think?

We value your feedback and use it to continuously improve our products.A huge thank you in advance for sharing your feedback with us.