YUASA Poka Poka Room-mat, washable and costs about 0.9 yen in electricity. - Brand: YUASA - Product Name: Poka Poka Room-mat - Dimensions: 172cm long, 75cm wide - Color: Brown - Washable: Machine washable - Electricity cost: Approximately 0.9 yen - Made in Indonesia, 2017 model - I used it for about 2-3 days each winter, then put it away, for about 2-3 winters. It wasn't very effective in a large, cold room, so I just put it back in the box.