Top Gear Sport - The very first rugby balls were made from natural materials such as inflated pig's bladder encased in leather. Leather rugby footballs continued to be used until 1980 when
British Embassy Morocco - The first rugby balls were plum-shaped because they were made of pig bladders. 🏈 In the late 1800s they were slightly egg-shaped and made from rubber inner tubes.
![Giant rugby ball 'crashes' into Cardiff Castle for first day of Rugby World Cup | Rugby ball, Rugby, Rugby world cup Giant rugby ball 'crashes' into Cardiff Castle for first day of Rugby World Cup | Rugby ball, Rugby, Rugby world cup](https://i.pinimg.com/736x/00/ed/b2/00edb2571c48ff746593a97d87dde400.jpg)