Towel pad sheet, 100% cotton, fitted sheet with integrated mattress pad, wide K200 ■100% cotton towels that can be used all year round, in summer and winter The material that comes in contact with the skin is 100% cotton for comfort. The carefully woven pile fabric is fluffy and soft. You can feel the comfort that only natural materials can provide. 『Characteristics of cotton』 It feels soft and doesn't itch. Cotton fibers have a natural twist that traps air in them. This creates a soft and fluffy texture. The tips of the fibers are rounded, so they are gentle on the skin and don't irritate it. Water absorption and heat retention The center of the fiber is hollow, so it quickly absorbs sweat and moisture and keeps you dry. It can also let in air, providing insulation and preventing you from catching a cold while sleeping.