Includes king mattress and foundation (2 risers) Mattress comfort level: medium Mattress with memory foam layer; thick firm support foam Stretch knit cover Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening State recycling fee may apply Mattress has 10-year non-prorated warranty Riser has sturdy metal frame; easy to transport Assembly required; sets up quickly (no tools needed); headboard brackets included No foundation/box spring required