"Celebrate the whole world" comes from Zulu language in Africa, which means "Celebrate the whole world". The new game ball has made a historic breakthrough in technology, and the design incorporates South African elements.
Sphere circumference test: FIFA recognized qualification standard: 68.5cm–69.5cm. "Celebrate the whole world": 69.0cm (+/-0.2cm).
Durable sphere test: FIFA-recognized qualification standard: the maximum difference does not exceed 1.5%. "Celebrate the whole world": the maximum difference shall not exceed 1.0%.
Water absorption test: FIFA-recognized qualification standard: the weight of the sphere does not increase by more than 10%. "Celebrate the whole world": the weight of the sphere increased by 0.
Weight test: FIFA-recognized eligibility criteria: the weight of football is between 420 and 445 grams. "Celebrate the whole world": weight 440 grams (+/- 2 grams).
Ball shape and size retention ability test: FIFA recognized eligibility criteria: 50 km/h "Celebration of the Whole World" impact 2000 times: 50 km/h impact 3500 times.
Springback performance test: Fifa's qualified standard: no more than 10 cm.
Ball pressure test: FIFA-recognized qualification standard: the drop of ball pressure shall not exceed 20%. "Celebrate the whole world": the drop of ball pressure shall not exceed 10%.