These are socks with cute and lovely Sanrio characters and mascots. The cotton content is 75 percent, which is really soft and stretches well and absorbs sweat well. Material: Cotton, polyester, polyurethane Size Recommendation: US Women 3-10 Made in Korea *We're selling genuine Sanrio and Peanuts, and Design Prodcts sold in Korea and Japan as parallel imports. When we bring products of various and unique designs, sometimes colors or characters are sold out, but in this case, we arbitrarily try to put in different colors and match the quantity. Thank you for your understanding*