Detailed Product Description Bra size: 70B 70A 75B 75A ... Briefs size: normal sizeCup Model: 3/4 Button: double lines of button in the back of itFeature: buckle from the back of the braFunction:gather the breast together/the fabric touched like the silk,3/4 cup(thick top and thin the bottom),there is a stainless steel Circle in the cup.Suitable for the summer.