1 SHAPE The ball must be oval and made of four panels. 2 DIMENSIONS Length in line: 280 - 300 millimetres 3 MATERIALS Leather or similar synthetic material. It may be treated to make it water resistant and easier to grip. 4 WEIGHT 410 - 460 grams 5 AIR PRESSURE AT THE START OF PLAY 65.71-68.75 kilopascals, or 0.67 - 0.70 kilograms per square centimetre, or 9.5 -10 lbs per square inch. 6 SPARE BALLS Spare balls may be available during a match, but a team must not gain or attempt to gain an unfair advantage by using them or changing them. 7 SMALLER BALLS Balls of different sizes may be used for matches between younger players.
Circumference (end to end): 740 - 770 millimetres
Circumference (in width): 580 - 620 millimetres
Here we go again. South Africa's famous rugby emblem is at risk of being abolished.