Dear customer, if you have any questions after receiving the goods, please feel free to contact us. We will handle it as soon as possible. Thank you for your support.Cotton,Elastic Imported Machine Wash Comfortable to Wear: our flip flops socks knee high are made of cotton material, stretchy and soft, reliable and reusable, safe and comfortable, not easy to break or fade, which can serve you for a long time and bring you a nice wearing experience Style And Size: with a split toe design that separates your big toe from the rest of your toes, they help reduce friction between your toes and shoes, so they can help prevent blisters from forming between your toes ;Total length 11 inch / 28 cm. Socks are elastic and fit most people's feet Suitable for Flip Flops: our tabi socks are suitable for all kinds of shoes, such as sports shoes, boots, leather shoes, sandals, etc., especially for flip flops; The socks with big toe separated design completely match the design of flip flops, which is a nice matching Suitable for both women, men, girls, boys. Feel comfortable when wearing flip flops and It has a good effect on preventing stink Easy to Clean: these big toe cotton socks are easy and convenient for you to clean, you can wash the with clean water by hands, or just put them directly into the wash machine with other clothes, which will save your time and energy