Invisible pre-shaped body - backless - collection Etna from the brand Selmark wedding.Pre-shaped cups that adapt to the natural shape of the bust. Double side boning for better body fit. Designed structure to prevent shifting of the garment. Non-slip trim in the neckline and back for added support. Back piece in silicone-coated knit. Invisible grip finish that prevents movement and doesn't show under clothes. Fastens with hooks at the crotch.[Size matching / bust measurement: S = 85 / M = 90 / L = 95 / XL = 100].This product certified STANDARD 100 by OEKO-TEX® follows a certified and controlled manufacturing process, respectful of your skin. The STANDARD 100 by OEKO-TEX® is the first label that meets consumer needs in terms of human ecology. It guarantees, in certified articles, the absence of harmful substances or those that could pose a health risk.