XXL-Rehab Comfort foam mattress provides a soft but effective load distribution combined with a unique stability factor that helps the user to properly re-position themselves. The bottom part of the mattress consists of a 15 cm layer of heavy duty PU foam cut into springs while above is layered with a 3 cm layer of viscoelastic foam. The Mattress has a 2 way elastic incontinence cover. The cover is antibacterial, antiallergic, fire resistant capable for machine wash. This fits perfectly in nursing beds as the pressure relief mattress also ensures the mobility of the user.