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