Acrylic Bathroom Wall Panels I Would Like A Comparison Between One-piece Acrylic Bathroom Walls Vs Panel Acrylic Walls. Is One Better?

I would like a comparison between one-piece acrylic bathroom walls vs panel acrylic walls. Is one better? - acrylic bathroom wall panels

I've heard that a series of panels on the walls with acrylic is better to avoid inviting the wall and to "Bubbly" because expaansion and contraction over time. Is that true?