A sandy swimsuits is usually not a good thing, but in this case it is!
Show your style at the beach with a sand pattern swimsuit, a swimsuit with a stenciled sticky application on the fabric that reveals a custom pattern after lying in the sand. The sand can then be washed away simply by swimming in water. When you're ready to show off your pattern again just lie in the sand. The best part is that the pattern can be anything you want!
The secret is a thin film of silicone caulking applied through a stencil. The silicone is elastic and can flex with the movement of a swimsuit, staying durable and firmly in place. This project explores the concept of applying flexible silicone to a swimsuit. The results were a success, but took some trial and error.
It's a good idea to wear protective gloves when applying the caulking, and to work in a well ventilated area.