What material is this?
metal (aluminium)
What material is this?
cardboard
What material is this?
cotton
What material is this?
glass
What material is this?
metal
What material is this?
paper
What material is this?
plastic
What material is this?
rubber
What material is this?
wood
What material is this?
wool
What's this bowl made of?
It's made of wood.
What's this box made of?
It's made of cardboard.
What are these cans made of?
They're made of metal. (aluminium)
What material is this?
It's Tetra Pak (brik).
What's this glass made of?
It's made of glass
What's this jar made of?
It's made of glass.
