Slippers - Machine washable! Perfect for home use, as well as for outings, school visits, and various other occasions. If they get dirty, you can simply machine wash them. The soles have flame-retardant cotton sandwiched inside and are quilted (the quilting stitches are simply and randomly applied). We've received reviews saying they don't make a flapping sound, so they won't disturb the people below. ^_ ※Flame-retardant cotton※ Even if ignited, it won't burst into flames and takes a long time to burn. 100% acrylic. Because they have flame-retardant cotton inside, keeping them by your bedside might be helpful in case of a disaster. Total length: Approximately 28.5cm #Slippers #DenimRemake #Patchwork #CoolStyle #Upcycle #IndoorShoes #RoomShoes