An innerspring mattress is made with a steel coil innerspring support system, with various foams and fibers on top to provide comfort at the surface. The number of coils in a mattress varies from manufacturer to manufacturer and is based on a queen-size mattress (i.e. twin mattress have fewer coils, kings have more).
An innerspring mattress is made with a steel coil innerspring support system, with various foams and fibers on top to provide comfort at the surface. The number of coils in a mattress varies from manufacturer to manufacturer and is based on a queen-size mattress (i.e. twin mattress have fewer coils, kings have more).