The hard-working and very affordable acrylic housing from SeaFrogs is worth noticing.
Buy it - use it... it won't flood so it´ll keep your camera dry!
The easiest way to get into the wonderful aquatic imaging world.
40m - Underwater Camera Housing for Canon PowerShot G7X MKII
Some of the Key features:
Dual Fiber-Optic ports
Leak detection sensor
Great tray system mount
M67 thread for wet lenses