I have a California King size sleep number 7000 series which is the new 1-8 series bed which I no longer need. It is about 5-6 years old and comes from a non smoking house.We have always used this bed with a mattress cover first then sheets at all times.It has everything included and in excellent working condition.Box SpringsDual air chambersFoam for all 4 sidesFoam for the bottom of the air chambersCorner pieces to hold side foam7000 Luxury and memory foam for top of chambersPump with digital remoteThis bed new sells for well over 4,000.00If you are interested you can email, text or call me.Thanks for lookingI can deliver this is needed.