Question: what are the raw materials for making mattress?
Answer: Steel wire. Inner most core of a mattress which is also called the innerspring unit and is maybe the most important part of the mattress set. ... 
Rebond. Rebond foam is foam that is made from shredded pieces of foam, which are then glued together, forming one solid piece of foam. ... 
Latex. ... 
Memory Foam. ... 
Cotton.