This 12 inch medium firm hybrid spring mattress offers luxury and superior comfort for a deep and restorative nights sleep. 4 layer comfortable foam is eco friendly and made with CertiPUR-US Certified . And its independent coil springs provide motion separation, meaning that even as your partner tosses and turns, youll enjoy undisturbed rest. Plus, this coil system offers greater support for your back, spine and legs that will allow you to rest naturally and wake up free of aches and pains…