be made of ～ 「～で出来ている（作られる）」（材料）

This box is made of wood.
Peper is made from wood.

be made from ～　「～から出来ている（作られる）」（原料）

Cheese is made from milk.
Milk is made into butter.

be made into ～　「～へと作られる（作り変えられる）」(変化)

That bag is made in Italy.

This camera is make by Canon.