Clever Lines Tank Top Machine wash in soft cycle. Do not use chlorine bleach. Do not iron. Do not dry in the sun. 94% Cotton / 6% Spandex Machine wash in soft cycle. Do not use chlorine bleach. Do not iron. Do not dry in the sun. Small Chest: 34-36", Medium Chest: 36-38", Large Chest: 38-40", Extra Large Chest: 40-42"