Big life changes such as entering college, getting your first apartment or house, or downsizing and living the RV life may call for a new sleep surface. This 12" king bed mattress fills multiple roles and is a budget friendly solution to your mattress needs. From the soft knitted fabric top to the individually wrapped pocket springs, this king-size hybrid pocket spring mattress is ideal for almost any bed frame and the foam is CertiPUR-US Certified as free from heavy metals, phthalates, BPDE, formaldehyde and has reduced VOCs. Arriving compressed and packaged for your convenience, this king size bed in a box is easy to move wherever you need it. Ready for use immediately, this hybrid mattress kingy expands within 48 - 72 hours for total comfort.