Ozone Women's Novelty Bark Sock,Navy,One Size 75% Cotton, 23% Nylon, 2% Spandex Imported Machine Wash Articulated toe and heel for comfort Stylish patterns and trendy designs Rich and breathable natural cotton blend Woven in graphics won't be destroyed by the washing machine 1. Gentle cycle 2. Cold water 3. No bleach 4. Line dry