★ This is an old model electric carpet. ★ I believe the size is equivalent to one tatami mat. ★ Although it is a product of aging, the carpet itself is in very clean condition. ★ There is deterioration and dirt on the plastic parts such as the display and controller. ★ It is in working condition. ★ It will be shipped rolled up, so please understand this before purchasing. Product Name/Model Number: National Electronic Brain Carpet (Waterproof), Model DC-40. Manufacturer: Matsushita Electric Industrial Co., Ltd. Specifications: Surface fabric 100% polyester, AC only, 100V-140W.