Ordered this mattress after reading many positive reviews here. Delivery was prompt--was here in several days. I opened the packages (4) outdoors where they quickly expanded to their full size. I slept on the mattress that night, noticing no odor whatsoever. I prefer a firm surface and stacked the layers accordingly, but after a few nights, decided it was too firm, so rearranged them with the 'medium' layers on top, now it's perfect. Don't let the "RV" description mislead you...this mattress can be used on any bed!