Platinum Wave bedding is made from fibers containing 14 kinds of natural minerals, including platinum. Even though it doesn't use electricity, it emits far-infrared rays, which improve blood flow and alleviate symptoms in areas that are not feeling well. (Individual results may vary) ☆ Recommended for those who: Seek quality sleep Want to sleep soundly and wake up feeling refreshed Are easily fatigued and concerned about their physical condition Suffer from cold sensitivity, lower back pain, stiff shoulders, stiff neck, frozen shoulder, etc. Have trouble falling asleep *Platinum Hanging Skin Cover "Tsudoi" Since it's a duvet cover, it's perfect for covering a down comforter. Your down comforter becomes a health comforter. It can be used as a cover for a thin futon during the changing seasons, and some people can even use it on its own. Machine washable on the hand wash cycle, using a laundry net. Retail Price: Single Size: ¥187,000 (tax included) Double Size: ¥242,000 (tax included) This manufacturer's Platinum Wave bedding has been a product for over 30 years, and it is a product with a proven track record and reliability, so we recommend it with confidence.