Bedsore prevention mattress, articulable, non-reversible. Recommended for home and institutional use, it is indicated for the prevention of ulcers in users with medium risk. D35Kg/m3 soy foam base with 7cm (Ninfa 012) or 9cm (Ninfa 014) height provides a good support base without compromising comfort; has cutouts to accompany the bed joint without forming creases that could hurt the user. Superior layer in memory foam density 50kg/m3 with 5cm in height. Moldable and cozy, it allows a proven reduction of the pressure exerted on the skin and the blood vessels, contributing to the better blood circulation and consequent prevention. It completely adapts to the shape of the body providing a feeling of lightness that translates to an extremely restful sleep. Possibility of manufacturing by measure. Malleable bielastic cover (allows maximum benefit from the properties of foams used), waterproof, gas permeable, with Sanitized treatment with antibacterial, antifungal and anti-mite properties. Fire resistant according to standard BS 7175 1989, Crib 5. It also has a protective lip of the closure, which makes it difficult to get debris and liquids into the mattress. Optional: vulcanized cover.