The Beurer UB 30 underblanket is 130 cm long and 75 cm wide. It has a soft cotton top and a bottom made of fleece. The material meets the high requirements of the Oeko-Tex Standard 100. The Beurer UB 30 is easy to use and through the key switch. The Beurer UB 33 is hand washable up to 30 ° C.