Confort du Sommeil &ndash; Ceramic Pillow Memory Foam 23X 15'' with Cover Weaved Bioceramic Fibers Made with Ions of Silver &ndash; Memory Foam 50 Kg &ndash; Made in Europe - Certified Oeko-Tex Standard 100 Cover weaved with bioceramic fibers which absorb the body heat to restore her in the form of far infrared Cover made with ions of silver which the power is to limit the development of bacterias Memory foam is made of 100 % viscolastique high-density 50 kg / m3 enriched in the soya oil