Machine Wash SUPERIOR QUALITY MATERIAL, MADE TO LAST. Made of 70% cotton, 25% Nylon, 5% Elastane FIT & FUNCTIONAL. Super light-weight, soft and comfy, absorb sweat. The designs are colorful, funky and quirky, perfect for work, dressier or casual occasions. ONE SIZE FITS ALL. These socks are super soft and stretchy, shoe size 6-11. ENGINEERED TO LAST LONG. Improved fit and design to handle a wide range of tear and wear. EASY TO CARE. Machine wash cold, best long-term care or dry low heat. QUALITY GUARANTEE . We take pride in everything we make. If you are not 100% satisfied, you can return it for a replacement or refund within 30 days ( return or exchange has never been easier).