A super idea, not only for women: in next to no time warm feet. These ingenious slippers can be "recharged" quickly and as often as desired. 

Material composition:
Filling: 100% millet-lavender
Cover: polar fleece 100% PES

Warming:

Microwave: 600 watts approx. 1 min. 
Oven: 100 ° C approx. 8 - 10 minutes