Premium Materials: The heated blanket is made from high-quality materials, including 220 GSM flannel and 200 GSM Sherpa wool. Heated Throw Blanket (50" x 60") with 220g Double-Layer Soft Flannel, Electric Heated Throw Blanket for 89°F-108°F 4 Heating Levels, Grey Heated Throw with 4 Hours Auto Shut Off - Gray.