To use these t-shirts, simply put them on and enjoy their comfort throughout the day. When it's time to clean them, remember to machine wash them cold, turning them inside out and washing with like colors. Only use non - chlorine bleach if needed. For the best look, hang them to dry after washing, but you can also tumble dry on a cool or low - heat setting. Don't use fabric softener because it can make the colors fade. And avoid ironing or dry cleaning the shirts to keep them in good condition.