To use these women's T - shirts and premium T - shirts, simply put them on and enjoy their comfort. When it's time to wash them, machine wash them cold, turning them inside out and washing with like colors. Only use non - chlorine bleach if necessary. After washing, it's best to hang them to dry. If you're in a hurry, you can tumble dry on cool or low heat. Don't use fabric softener as it can make the colors fade. And remember, don't iron or dry clean these shirts to keep them in good condition.