ORTHO 16S - ORTHO PLUSH MATTRESS - 5 YR WARRANTY One of the best sellers in our lineup, this double-sided plush mattress also uses the 390 Bonnell spring unit. The extra foam included in the quilting on both sides brings additional comfort. Cost effective with a medium-firm feel, this mattress is a must have for your collection. 390-13.5 Gauge Spring Multi-Needle Quilt White Damask Double-Sided 5 Years Warranty