Indulge in three layers of support and softness with our Signature Sleep 13 inch mattress made with CertiPUR-US® certified foam, offering 13 inches of ultimate comfort. We start with independently encased coils for even weight distribution and support, combined with a lavish foam pillow top that includes a layer of 3-zone foam to relieve pressure and contour your body. We also selected rayon made from bamboo mattress ticking to absorb moisture, dry quickly and help your body breathe. This Signature Sleep mattress meets federal flammability standard 16 CFR 1633 and is shipped compressed, rolled and vacuum sealed for your convenience.Talk about a great bedtime story!