The Walensee Snow Melting Mats for Stairs are outdoor graphene heated mats designed to melt snow and ice on stairs. These mats, measuring 10" x 30" with a plug, operate on a 120V power source and consume 90W of power. The mats are easy to install on the floor and provide a safe and efficient solution for melting snow and ice on stairs, ensuring a slip-free and safer outdoor environment.