Dimensions: 42" x 80" x 7" - 500 lbs. - 500 lbs. DiaMedical USA's Bari Ultra Care Med-Surg Mattress is a high-quality bariatric care mattress that provides unrivaled support and safety to the patient. The top side of the cover is made with ultra-soft Nymed healthcare grade nylon that is fluid-resistant, antimicrobial, non-allergenic, and self-deodorizing. The bottom side of the cover (where the mattress contacts the bed frame) is made from highly durable Vynmed healthcare grade vinyl, which is tear-resistant and protects the mattress from damage. Beneath the mattress cover is a secondary fluid barrier layer and a fire barrier layer that protect the core from liquid penetration and fire damage, respectively. At the heart of the mattress is its 4-layer memory foam core. The core is characterized by a top 1-inch layer of cool gel memory foam, followed by a 2-inch layer of performance soft foam, a 2-inch layer of semi-firm foam, and a bottom 2-inch layer of supportive base foam.