Our size 4 will generally fit bra sizes 32-34B, 34-36A, 36-38AA.Fit can vary from bra to bra so this is a general guide only. * Tear drop shape that duplicates the natural female breast and movements. * the surface have a realistic looking nipples * soft life-like polyurethane skin that very quickly reaches your body temperature. * 346g (9oz each size), 7" x 5.5" over the top, 6" x 4.3" across back, 1.5" protrusion.Product from Envy Body Boutique are quality guarantee. please make sure you purchase from Envy