Adhesive Bra Push up Deep V Cleavage Backless Invisible Strapless Bras Size Card: S size=Cup A: 70A(32A) 70B(32B) 75A(34A) 80A(36A) M size=Cup B: 70C(32C) 75B(34B) 80B(36B) 85A(38A) L Size=Cup C: 85B(38B) 75C(34C) 80C(36C) 70D(32D) Outer Fabric: cotton and spandex,Inner Fabric:environmentally friendly biological silicone The adhesive bra is super sticky,has space spots without the sticky substance for the nipples,doesn't slide and bra is reusable Special style of drawstring gave great cleavage,the string in the middle can be loosened or tightened to pull the Breast together,definitely gives ample push up lift when fully tightened The bra is very light(About 50g) and itself is comfortable and breathable,slow removing this is painless Strapless bra but makes you feel secure,perfect for under not only backless,strapless,part/club,wedding dresses but also shirts even when swim that have wider necks that show more of the shoulder so that its not showing a bra strap.A good choice for Summer wear