New Okamoto Marude Kotatsu (Like a Heated Kotatsu) Free-size leg warmers using warming technology. Set of 2 black pairs. - Product Name: Marude Kotatsu Leg Warmers - Size: Free Size - Features: Uses warming technology - Materials: Acrylic, Wool This is a new, unused item, but it has been stored at home by a private individual, so please be aware of this. Price is not negotiable. Thank you for viewing.