What's this made of?
iron
What's this made of?
cotton
What's this made of?
wood
What's this made of?
glass
What are these made of?
stainless steel
What's this made of?
stainless steel
What's this made of?
ceramic
What's this made of?
rubber
What's this made of?
ceramic
What's this made of?
paper
What's this made of?
cardboard
What's this made of?
wool
What are these made of?
aluminium
What's this made of?
wood
What's this made of?
plastic