hi hun, talk to ur pc if ur worried they may explain y that size to you, but to be honest the implants (all different sizes) are dif on each person depending on ur profile, and your shape rib cage etc
its soo confusing thou hunny ring ur PC they’ll explain it better (and dont worry about hassling them i wouldnt your paying a lot of money to them so u should know exactly what ur getting!) x
Carly x