I purchased these on the Mercari website. I bought too many socks, and the size was a little too big, so I'm selling three pairs. The following description is taken from the seller's listing. ☆☆ Size: Approximately 23-25cm Material: 70% cotton, 28% nylon, 2% polyurethane Packaging: Waterproof bag -> Kraft envelope Free shipping Absorbent, quick-drying, and deodorizing Sweat-absorbent, antibacterial, and odor-resistant, so they are less likely to get stuffy during long hours of exercise or travel in the spring and summer; you don't have to worry about sweat or odor even during long practice sessions. A summer essential☆ These socks are highly elastic and breathable, providing excellent comfort. Suitable for all seasons Regardless of the season, they are easy to match with various outfits, from everyday wear to going out; you can easily match them with any clothes, pants, or skirts; comfortable to use anywhere, such as casual wear, school, office, or home. 【Stylish Design】A set with different designs and color variations, so you won't get tired of wearing them every day. 【Soft and Comfortable】Made of high-quality cotton and polyurethane, the sewing design reduces friction between the heel and the shoe, improving comfort and durability. Please note ※ Parallel import, made in Portugal ※ Because this is an imported product from overseas, there may be some imperfections in the sewing or loose threads. Please understand this beforehand.