Since it is a soft silicone material, it adheres perfectly to the bust, so it is very natural! It can be used in various situations such as everyday use, wedding dresses, cosplay, and parties. It's highly waterproof, so you can wear it under your swimsuit! ●Size/ABCD - Thickness: 10mm - Material: It is a high-grade silicone material that is ♪ safe (1) Deflect the cup outward with both hands, being careful not to touch the adhesive surface. (2) Gently apply it along the chest. If you stick the cup slightly apart, you can create a cleavage. Also, the point is to stick it slightly above the lower milk. Hold the edge as if tracing it with your fingertips. The height of the left and right sides should be the same. (3) Hang the front hook. (4) Hold the entire cup with both hands to fix it. * Do not pull the front hook. There is a risk of damage.