Simply warm these luxurious boots in a microwave for the ultimate in comfort and relaxation. Warmies® Boots are made from the very highest quality materials and are great for soothing and relaxing tired aching feet. All Warmies® Boots are now manufactured with extra thick foam soles for added comfort. Warmies Boots Features: Available in one size to fit approx. 3/7 Simply warm for 90 seconds up to a 1,000W microwave Soothes, warms & comforts Scented with French lavender Suitable for all ages Chill in the freezer for cooling effect Surface clean regularly, do not immerse in water Adheres to British Safety standards Marshmallow Microwaveable Grey Boots by Warmies