Marusho Nagomi no Ito (Threads of Harmony) Nagomi no Ito Silk 5-Finger Socks Ivory Silk 95% Nylon 3% Polyurethane 2% The size is indicated as 22x24, so I believe it is approximately 22-24cm. Features include sweat absorption, quick drying, and deodorizing effects, eliminating stuffiness, stickiness, and bad odors. Along with a crisp, refreshing feel, it also makes the spaces between your toes and your heels smooth. They are thin, so they can also be used for layering. This is according to the product description. The outer bag has some damage. Please understand that the item will be shipped in simple packaging with measures taken to prevent water damage. Thank you for your consideration.