Nice silicone case from Nillkin made to fit Samsung Galaxy S23 Ultra perfectly.
This Samsung Galaxy S23 Ultra silicone case from Nillkin provides good and optimal protection for your smartphone.

The surface is incredibly soft, which provides a comfortable grip around the phone. This case for Samsung Galaxy S23 Ultra fits very tightly around the phone and therefore your phone will not seem much bigger after the case is fitted. On the back of the case  there is a strap which provides an extra good grip on the phone and prevents accidental loss of the phone. This strap can be used in two ways, as well as being completely removable.

• Grip on the back
• Soft silicone
• Optimal protection

There are openings for the speaker, camera and flash, as well as access to all buttons and connectors while this case is mounted.