Puffer puff two piece swimsuitSPECIFICATIONS Brand Name: sporlike Gender: WOMEN Material: SPANDEX Material: POLYESTER Origin: Mainland China CN: Liaoning Item Type: TWO PIECES Sport Type: swim Department Name: Women Pattern Type: Print Model Number: TZ22143Z1 Fit: Fits true to size, take your normal size Craft of Weaving: knit Which size should I Choose ? A: You should know your bust cup ,it is for a reference . Q2: How do I know my Bust Cup ? A: Upbust Underbust=Cup size Cup