SUPCASE Unicorn Beetle Pro Series Dual Layer Rugged Holster & Kickstand Case without Screen Protector Case for Samsung S21 Ultra Case with S Pen Slot Holder [Does Not Include Pencil], Black

Customers like the pen holder and appearance of the phone case. For example, they say it holds the S-Pen in a good way and blends into the design of the back. That said, some complain about the size. Opinions are mixed on quality, fit, protection, kickstand, and ease of use.
Made of flexible polycarbonate and shock absorbing TPU
360° case provides complete protection against drops, bumps and bumps
Raised bezels protect screen and lenses from damage to surfaces
The stand offers 3 unique viewing angles while doubling as a ring holder
Integrated holder for S21 Ultra S-Pen