Foclassy Women's Push Up Plus Size One piece Swimwear With Halter Neck The black one is improved.There's an ELASTIC CORD inside of the Chest part. Just in case the gathering between the boobs gave out.Only seller Foclassy have the improved style In-kind shooting Quality Assurance Shipping Takes 7-20days To Arrive US by USPS Shipping Service Provide satisfactory response within 24 hours Please ignore the invoice size. The actual size is 0X, 1X,2X