These are just name brand cases that are trying to recoup their insane marketing costs. When you look at the less known Chinese brands you can easily get cases for far cheaper.

$15 with Prime shipping https://www.amazon.com/MILPROX-Compatible-Samsung-Magnetic-Shockproof/dp/B0BRV9FMK5/

$6.50 shipped from China https://www.amazon.com/Compatible-Translucent-Shockproof-Protective-Anti-Scratch/dp/B0BR7X875G/