Does box spring contain springs?

Answer:
of course, then why is it called a SPRING box?

Correct answer: It is very rare to find springs in "box springs" these days. Most are what's called "semi-flex", meaning that they have a little flex but overall rather rigid. Summary: Most "box springs" are constructed using a combination of wood and a steel grid system.
First answer by GabzG. Last edit by 33314chaley. Contributor trust: 12 [recommend contributor recommended]. Question popularity: 14 [recommend question].