Leather a solid. It is made from the skins of animals - usually cattle. The cattle skin must be treated with chemicals to turn it into leather. This is called tanning and it changes the skin so that it does not rot so quickly.
Leather has useful properties. It is durable and flexible.
Many objects are made from leather. These include shoes, handbags, sports balls, chairs and wallets.
Leather is made from the skin of animals.
Leather is a flexible material.