These Teesgeex tank tops are super easy to use. Just put them on and enjoy the comfort. For men and unisex styles, you can choose from sizes XS to 2XL, and for women, sizes range from XS to 4XL. When it's time to clean them, machine wash them cold and turn them inside out. Wash with similar colors to keep them looking great. Only use non - chlorine bleach if necessary. After washing, it's best to hang them dry. But if you're in a hurry, you can tumble dry on cool or low heat. Remember, fabric softener can make the colors fade, so skip it. Also, don't iron or dry clean these tank tops to keep their quality intact.