A box spring is a sturdy bed base consisting of a wooden or metal frame typically filled with steel coils and wrapped in fabric . It sits between your mattress and bed frame to provide a flat, stable surface that absorbs shock and adds height to the bed. Core Purposes
The internal springs absorb impact and weight, reducing wear and tear to extend the mattress's life. box spring
It can add 2 to 9 inches of elevation, making it easier for people with mobility issues to get in and out of bed. A box spring is a sturdy bed base