• The nursing tank tops fit true to size. Order one size up if you prefer a looser fit rather than a snug one. Bust (inches): [33-34] S, [35-36] M, [37-38] L, [39-40] XL, [41-42] XXL. • Made with viscose with 95% rayon and 5% spandex. Feel like baby skin, so soft and comfortable. We focus on making your maternity experience 100% comfortable! • The 190g fabric has been brushed to be silky soft, comfortable, breathable, and non-see-through. It can fully meet your daily needs for tank tops! Easy nursing access is a point that can fulfill the purpose and is practical for various occasions with comfort. • Do not use bleach on nursing tank tops. The color never fades, so there is no need to wash them separately. Wash at cold temperature (15 ℃-30 ℃), iron at warm temperature, air dry.