The mattresses are composed of three layers. The bottom layer is a 2.0lb density foam which is 1″ thick. The second layer from the bottom is
made up of 1.8 lb. density foam and can be either 1.5″ or 2.5″ thick. The third layer is 5.0lb viscoelastic foam and is 1.5″ thick. The cover material is either Vinyl or DARTEX™. DARTEX™ covers include an anti-shear inner liner.
Adhesive Velcro is also included to keep the mattress safe on the stretcher.