Material: 77% Combed co-tton, 20% Cotton fiber and 3% Spandex. All products are made in a smoke free environment. Size: Unisex Socks, One size fits most. Socks with saying: I Am My Sister’s Keeper. These pretty socks make the perfect gift for the sorority sisters in your life! These socks will come to you nicely packed in a bag, which is strictly protected from any damage during transportation. We specialize in finding you the perfect pair of socks for any occasion (or no occasion at all)!HOW TO LOVE YOUR SOCKS: -Machine washable. -We recommend washing them inside out in cold water and then hang drying them. -Don't iron your socks, people.