These adorable, plump-shaped knitted room socks are made of yarn. Hand-knitted by a family member. Worn twice and then home-cleaned. Approximately 24 cm when laid flat (see photos 9-10). The yarn material is unknown, but it seems to contain acrylic. Non-slip. Please attach commercially available non-slip pads when using on flooring or tatami mats. Due to being handmade by an amateur, there may be some unevenness and irregularities. Please consider purchasing if you understand that this item is inspected by an amateur, stored at home, uses reused packaging materials, and will be shipped folded compactly. #handmade #sockcover #handknittedsocks #roomshoes #roomsocks