Kotatsu Futon Komari 2-piece set of comforter and mattress, 5-foot rectangular 90 x 150, compatible with tabletop, available in 4 colors, Japanese retro style ■ Warmth point 1 The flannel material feels soft against your skin. The lining, which comes into direct contact with the skin, is made of soft, smooth flannel material. The fine fibers trap air, making it as warm as a thick blanket. ■ Warmth point 2 Peach skin finish that is so soft you'll want to rub your cheek against it. The cover of the comforter and mattress has been given a peach skin treatment, which gives the fabric a fluffy texture. You can enjoy the soft, gentle feel of peach skin while you sleep comfortably.