1Convenient onehand lactation, safe against exposure, intimate care of every inch of skin. 2360 degrees soft, sculpting beautiful breasts, comfortable breathe freely. 33D threedimensional cup, 3D threedimensional cutting, smoothly take care of breast healthy. 4Adjustable shoulder strap can be adjusted to effectively disperse pressure to prevent sliding and reduce shoulder pressure. 5Four row and four button designs, enhance wearing stability, healthy without magnetic and iron.