The velvet heating base cover is padded with PYROTEX MEDIC®, a next-generation antiviral and antibacterial fiber. The cover material may vary in fabric and color while maintaining a constant focus on healthy materials. The bottom is made with non-slip material to ensure floor adherence. The next-generation acrylic padding, specifically developed to combat viral and bacterial infections and is permanently fire and heat resistant. The fiber can absorb up to 12% moisture, making it very comfortable. PyroTex® Medium has also been tested according to the Oeko-Tex standard and has been certified with the highest Class I. Effectiveness against viruses +99%, Effectiveness against bacteria +99%, Permanent resistance to fungi, Effectiveness against viruses such as SARS-CoV-2 +99%, Effectiveness against bacteria such as Klebsiella Pneumoniae +99%, Oeko-Tex Standard 100 Class I, REACH pass, CPSIA pass, Fire-resistant, Washable, and UV resistant.