Women's Pro Training Racerback Slimming One Piece Swim suit Fitness Swimsuit Stretch and quick dry fabric: 82% Polyamide+ 18% Elastane Lining: 100% Polyester. Imported,high elastic Sponge on the chestthere is a little slit where you can pull out the sponge Size Chart: M/bust=30"-31.5",waist=25"-26.5",hips=31.5"-33", L/bust=31.5"-33",waist=26.5"-28",hips=33"-34.5", XL/bust=33"-34",waist=29.5"-31",hips=34.5"-36" Hand wash cold water, lay flat to dry