To use these Wolf King women's t - shirts, simply put them on and enjoy their comfort. When it's time to clean them, machine wash cold, turning them inside out and washing with similar colors. Only use non - chlorine bleach if necessary. After washing, you can hang them to dry for the best results, or tumble dry on cool/low heat. Remember, fabric softener can make the colors fade, so don't use it. Also, avoid ironing and dry cleaning these shirts to keep them in good condition.