cookieandmonster:Hi, The electric warmers are available n China. I saw them in Qi Pu Lu, Shanghai. We were given the electric warmers by the travel agent. They are like mini cushions that contain water. When they are charged, they are warm and comfy. Yes, I used snow boots. Do bring vacuum flasks as well.Many thanks for info. Aiya, a pity - was in Shanghai 2 weeks ago - could have gotten the warmers.