Imperial Viscographene Mattress, crafted according to the strictest quality standards in the market with Oeko-Tex certification ensuring no harmful substances are used in the production of the products and the possibility of being in contact with the most sensitive skin. Incorporates exclusive Viscoinstant material used in sleeping surfaces, resulting from several years of research. The most effective alternative to the materials and foams currently available in the market, as well as Graphene filaments that help discharge the electrostatic electricity our body accumulates during the day, to achieve optimal rest and relaxation. Bottom side ventilation. Allows better preservation of the mattress and greater hygiene. High breathability: greater freshness and hygiene. Medium firmness. Oekotex Class 1 certified. 2-year warranty. 100% Made in Spain.