exuse the stupidity,
but if you are on a budget and wanting to see which size breast you want you can get rice into sandwichbags to form breasts, 250 grams of rice or maybe 3, 325 or 350 grams would be sufficient to create breasts accordingly your bodystyle... then get a masectomie bra to put the bags in...
i've done it in my developing a feminine sillouette stage... i'm transgender but i've got a lot of info what not to do and the oposite in that period of becoming Judiana