My collection of s21u cases. If you want good cases like otter box commuter, I recommend NTG cases on Amazon. My most used case is spigen tough armor : r/S21Ultra
Spigen Tough Armor Rugged Black Case - For Samsung Galaxy S21 Ultra
Belt Clip Holster for Spigen Tough Armor for Samsung Galaxy S21 Ultra - Encased
Galaxy S21 Ultra Metal Case - Black, Military Grade – punkcase