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.\xB4 Convenient on/off switch conserves energy for hours of long-lasting use
\xB4 Reusable pads warm in seconds to a cozy 98F
\xB4 Water-resistant and shock-proof for indoor/outdoor environments
\xB4 Protects and warms extremities for those with medical conditions
\xB4 Ideal for construction workers, camping, sporting events and more
One size fits all. Requires four AA batteries (Not Included).