Koizumi Soft Electric Foot Warmer KSA-0378 Made in 2020 Set of 2 Used infrequently. No stains, dirt, fraying, or tears observed. I think they are clean. Operation confirmed. I think there are no problems. The image is "gently" warming. Note: Individual sales are not possible. AC100V-30W 50Hz / 60Hz compatible Standard surface temperature: Approximately 52°C Cord: 2.9m Dimensions (length): Approximately 37cm (width): Approximately 33cm (thickness): Approximately 3cm Weight: Approximately 400g Safety device: Temperature fuse 115°C Temperature regulator: Thermostat (fixed type)