Selfcare Women Cotton Full Coverage Bra (Pack of 3) New Growing Girl Bra perfect for teenagers as it provides round shape to your bust with extra side support . If you wear 34-B (Basic Cup) Size bra and the belt absolutely Fits for you, But in the Cup you face some kind of Problem then, "A" (Small Cup ) If your Bra cup Size is big means loose then you should wear 34-A GG Bra. "C" (Large Cup) If your Bra Cup size is small and tight does not fit to you then you should wear 34-C GG Bra. "D" (Extra Large Cup) Still if your bra cup size is small and tight does not fil to you then you can wear 34-D GG Bra