These black socks are great for daily wear. To use them, simply put them on your feet. When it comes to maintenance, you can machine - wash them with similar colors in cold water. Don't forget to dry them in a well - ventilated area. Remember, this product contains chemicals like lead and cadmium, so keep it away from children and pets to avoid potential health risks. If you have any concerns, refer to the warning link provided on the product description.