is also the densest—and probably the most durable—of all the mattresses we recommend for back pain. That layer, topped with a proprietary, polyfoam-like material (2.5 pounds per cubic foot ...

13.7 x 10.2 cm. (5.4 x 4 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...