Cozy Feet battery powered foot warmers provide continued warmth and comfort in any environment. Ultra-thin, flexible pads conform to your shoes and warm in seconds. Experience a safer, energy efficient alternative, to chemically reactive pads and microwavable heating elements.• Convenient on/off switch conserves energy for hours of long-lasting use
• Reusable pads warm in seconds to a cozy 98F
• Water-resistant and shock-proof for indoor/outdoor environments
• Protects and warms extremities for those with medical conditions
• Ideal for construction workers, camping, sporting events and more
One size fits all. Requires four AA batteries (Not Included).