Mattress cover with zip closure. The upper fabric and sides are made from Lyocell TENCEL® fibre for maximum breathability, waterproofing and absorption. Featuring Viroblock treatment, a combination of innovative technologies that take advantage of the natural antiviral and antibacterial properties of cholesterin silver to achieve optimum hygiene for healthy sleep; its silver particles help to create a clean, hypoallergenic environment, free from microbes and germs.El Corte Inglés Tencel Viroblock mattress cover. Couleur: White