Urban modern design kotatsu, quilt and mattress set, square, 75 x 75, suitable for table top ▼Under the cover is a flannel comforter that can be used in two ways. Remove the satin cover A flannel comforter that feels soft and silky against your skin. Shiny satin cover and matte flannel texture. You can luxuriously enjoy two designs with different atmospheres. Made of smooth flannel A melting moment. The flannel has been specially processed to make it softer and smoother to the touch. The density is 140% higher than fleece material (manufacturer comparison) There is plenty of air trapped between the tightly packed threads, making it even warmer. By brushing the fibers long, it has a luxurious, melting feel against the skin.