Premium Microfiber Pad Sheet Pad Integrated Box Sheet Semi-Double Special Edition A luxurious melting series that has captivated 50,000 people "Keep your feet warm even on cold nights" - Contains moisture absorbing heat generating cotton - Anti-static - Washable ■ Moisture absorbing heat generating function Keeps you warm with moisture absorbing heat generating function "Moisture absorbing heat generating cotton" absorbs sweat while you sleep and turns it into warmth, and it is also less stuffy, so it has better heat retention. It is luxuriously packed with special filling Special moisture absorbing heat generating cotton mixed with raw material (Bemberg) born from cotton. "Bemberg" is a pure fiber made from only the "downy hair" around the seeds of cotton that is not normally used. It has the gentleness of cotton but exerts more power than cotton. It absorbs sweat and generates heat, while absorbing moisture and releasing it into the air. It also has the function of releasing static electricity.