Snoozle microwave bootiesMade from super-snuggly-soft polar fleece includes a removable wheat grain pack inside each boot. Fleece above the elasticated ankle can be rolled up or down to your preference. Heated in microwave for 90 seconds at 800 watt, stay warm for up to 2hours. Can also be frozen to treat sprains, bruising and swelling. Excellent for: Tired, overworked feet, people whose feet get cold easily cold climates. Non-slip bottom sole. Attractive, fashion design.