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which size should i choose ? a: you should know your bust cup .underbust.waist and hip size .then looking at the size chart carefully ,it is for a reference . q2:how do i know my bust cup ? a: upbust -underbust=cup size cup a=10cm cupb=12.5cm cupc=15cm cupd=17.5cm cupe=20cm q3:why someone said it is bigger ,someone said it is small from the feedback ? a:different people have different body shape ,even if two women both cupe ,but they have different feeling about the size ,we all know ,