SmartBase® Super Heavy Duty Mattress Foundation

It all depends on you! If you like a soft, cushy feel then memory foam is a good choice. For firmer support, a spring mattress works best. Hybrid mattresses—combination springs and foam—give you the best of both worlds. It's an important decision, so we wrote a whole article about it for our blog. Find out how to choose.
All of our mattresses have been tested and meet the requirements of the Cigarette Smoldering Text (16 CFR Part 1632) and the Open Flame Test (1633-Federal flammability).
Yes Zinus is CertiPUR-US® certfified! Since most people spend so much time in bed, we feel like they should be snuggling on the healthiest of foams.
Certified foam is:
Made without ozone depleting substances
Made without PBDEs, TDCPP or TCEP (“Tris”) flame retardantsMade without mercury, lead and heavy metals
Made without formaldehyde
Made without phthalates regulated by the Consumer Product Safety Commission Low VOC (Volatile Organic Compound) emissions for indoor air quality (less than 0.5 parts per million)

None of our mattress covers should be removed, and they are not washable. Removing the mattress cover could harm the fire safety barrier and void your warranty, so please always leave the cover on. There is a consumer label sewn into your mattress as a reminder not to remove the cover.
This mattress is expertly compressed and rolled into one box that ships straight to your door. Simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours.
While it may take up to 72 hours for your mattress to fluff up to its full height, it is safe to sleep on the first night. Jumping, walking and sleeping on your mattress actually helps with decompression! Learn more about setting up your new mattress.