Protective case for iPhone 13 is made of soft, pleasant to the touch, silicone. There is an image of the perennial plant Bloodthistle.
The Latin name of the genus comes from Latin sanguis - blood and sorbeo - to hobble, absorb; reflecting the hemostatic properties of the type species Sanguisorba officinalis.
The inner surface of the overlay is made of microfiber. The material protects the inner surface of the smartphone from scratches and dust.