Bosotherm - de skriver selv: Pleasant warmth for you: Footwarmer with 3 illuminated temperature settings and overheating protection. Washable, removable inner plush lining. All features at a glance Washable, removable inner plush lining (70% Polyester/ 30% Acryl). Overheating protected. 3 illuminated temperature settings. 100 W. 3 year guarantee 30x27 cm. Link til manual: https://www.boso.de/fileadmin/common/pdf/gebrauchsanweisungen/18-02_bosotherm_3000_5spr.pdf