1. The ball is oval and made of four panels.
2. It has dimensions as shown here:
3. It weighs 410-460 grams.
4. Smaller balls may be used for matches between young players.
5. The ball is made of leather or a suitable synthetic material. It may be treated to make it water resistant and easier to grip.
6. Its air pressure at the start of play is 65.71-68.75 kilopascals, 0.67-0.70 kilograms per square centimetre or 9.5-10.0 pounds per square inch.
7. Spare balls may be available during a match.