HK 42 is Beeker's softest and thickest heat pad. The surface is made of a material Beurer calls "Super Cozy" and is also breathable Øko-Tex microfleece. The heating pad also has BSS overheat protection, 3 temperature settings and quick heating. The heating pad automatically extinguishes after 90 minutes. It also offers high security through an innovative sensor system, which also ensures even distribution of heat throughout the heating pad. In addition, the heating pad can be machine wash at 30 degrees.