Blooming Jelly Women's Stretch Lace up Tank Leotard Bodysuit Jumpsuit Fabric: poyester Good elasticity with a deep neckline Soft and Breathable Bodycon camisole leotard Tag S= US(2~4),Tag M= US(6~8),Tag L= US(10~12)Details please check on the description.If hard to choose, just one size up.