Silvana Support Grenat is the softest and thinnest pillow in the Silvana Support collection. Great for people who sleep on a very soft mattress or waterbed and are smaller than average. The pillow is the best alternative for the tummy sleeper. The upper sections of Grenat are filled with Comforel Soft. These are quality and very soft synthetic fiber balls. The top of the pad has a zipper. So you can easily dispense the filling. The exterior is made of 100% cotton and treated with Aegis. The pillow is anti mites and suitable for people with house dust mite allergy. The Aegis treatment also makes the pillow antifungal and antibacterial.