Our mattresses can be placed on most surfaces!Box springs - if you currently have a box spring that's in good condition, or are planning to get a new one to add some more give to the mattress, go for it!Slatted frames - just make sure the slats are no more than 4 inches apart!Platform & adjustable bases - find comfort using your Puffy on any solid or adjustable base!Floor - if you have a minimalist room design, the Puffy will even work perfectly on the floor!