My Bob-O-Pedic 6 Mattress is big on comfort and better than ever! 4.5'' of base foam combined with 2'' of Memory Foam make for a super comfy night's sleep. Perfect for bunk beds, daybeds, or trundle beds! Plush comfort, top quality, an unbeatable low price, and a 5 year non-prorated warranty? Now that's what I call value! Includes mattress only.