New with Tags! Arena Women's Light Drop Back One Piece Black Swimsuit for training and competition Swimsuit size 30; Approximately a women's size 4 "The Light Drop silhouette features thin straps, full front lining, and a conservative back cutout for a comfortable feminine and sporty look with enhanced coverage and support where you need it most. arena’s most advanced and longest-lasting fabric, 100% Polyester MaxLife suits are designed to deliver maximum comfort, range of motion, and chlorine resistance for the most demanding competitive swimmers, while maintaining superior softness, durability, and performance all season." From a smoke-free environment.