Unused, only opened for storage. Size: 29-30cm Black The upper is made of flexible synthetic material, effectively isolating cold air from the floor, making these "room shoes" warm and perfect for autumn and winter. The insole is soft, providing comfort and warmth while reducing muscle fatigue, making them suitable for long periods of wear. The outsole is made of a material that won't scratch floors, and they are also very quiet when worn indoors. Usage scenarios: Great for use as slippers at home or as room shoes in the office. Features: Softness, lightness, comfort, quietness [AMOJI] Slippers Room Shoes Indoor Slippers Quiet AM1018