The hot water bottle is encased in a wonderfully fluffy cover made of extra-soft, high-quality microfiber material with a faux fur appearance and inner lining. The cover is machine washable at 30 degrees. Original Hugo Frosch classic hot water bottles are safety and pollutant tested quality products "Made in Germany" and meet the high standards of British Standard 1970:2012. They feature an XL holding strap for safe filling and have a capacity of 1.8 liters. Made from high-quality thermoplastic, they are phthalate-free, recyclable, and odorless. These popular classics have an aesthetically pleasing ribbed texture.