Hand-knitted sock covers. The yarn is knitted with 3 strands of mohair (fine) and 1 strand of acrylic, for a total of 4 strands. They are warm. Size: Length is about 23cm, width is about 10cm. Length from the heel is about 10.5cm. The yarn stretches, so they are suitable for those with feet 23cm-24cm long. The color is gray. Please refer to the photos. They are made with care, but there may be some imperfections. Please refrain from purchasing if you are sensitive to such details. Multiple purchases are possible. Thank you.