You could have really warm feet in just 90 seconds! All you need to do is pop this pair of Warmies Boots into the microwave, put it on for 90 seconds (up to 1000W microwave), and then slip your feet into them. They help to sooth, warm and comfort your feet, and they\'re scented with French lavender to keep them smelling fresh. They can also be used in summer to cool you down by placing them in the freezer. The boots are suitable for all ages and fit most feet. Approx size 3/7. | Warmies Marshmallow Beige Microwavable Boots