Polyurethane thin membrane possesses perfect elasticity and super tensility.With elegant and fashion,. Specially shaped design on the upper rim or bottom, one end that provide stitch-edged to fix the s,ac. Push-up and creating the most natural bustling. By theory of hydro-presure, liquid cushion supports breasts from the side and bottom. Providing a completely comfortable, natur,al feel and results in a smoother ``FULL CUP SIZE``. Massages breasts alike a vibrator draws assista,nce from movement of wearer to create vibration effet. Capable of compression equivalent to 647 kg-f, and other approval test reports by SGS