Rock Express Firm 12inch Mattress

Rock Express Firm 12" Mattress – Cooling Comfort & Firm Support | Mattress on Demand Experience superior firm support and cooling comfort with the Rock Express Firm 12" Mattress. Designed for those who need extra support without sacrificing pressure relief, this hybrid mattress features a copper-infused memory foam layer that helps regulate temperature and provides antimicrobial benefits. Built with high-density foams and individually wrapped coils, this mattress ensures durability, motion isolation, and proper spinal alignment. Proudly made in Texas by Diamond Mattress Manufacturing, a long-standing leader in premium sleep solutions, this mattress is backed by a commitment to quality and craftsmanship.