Women's 6-10 These luxurious Warmies® Boots are made from luxurious soft fur and are gently scented with relaxing French lavender. Simply pop them in a microwave for 90 seconds to provide up to an hour of soothing warmth and comfort. Quick facts: Simple to use - just warm in a microwave. Can be reheated hundreds of times. Do NOT immerse in water or wash in the washing machine - surface clean only with a damp sponge.