Another option is to simply get a dBrand skin. They're extremely popular for a reason, and that's because millions of people love them.
A dBrand skin will cover your Galaxy S9 and keep it clean of fingerprints, safe from scratches, and look good at the same time. It's not a durable case, and it still might break from a fall, but it's a great middle-ground for those that don't want a case.
Dbrand skins come in so many colors or flavors it's insane. You'll find something to love. Whether that's different color carbon fiber, dragon hide skins, metal, wood, fabric, colors, marble and more. These aren't real wood or real metal, but they look like it. DBrand makes some of the best, so get one today.