When Choosing Between Panels of Different Sizes, You NEED to Be Gueded by WHERE Will Be Used. For Example, The Ceiling Doges Not Thick Panels, But for the Walls There Only Such Times, SincE on the Walls They Will Experience Serious Loads. As for the color of the panels, it is not difficult to Choose Products or Pattern, BecAuse The Market is Filled with Panels of Different Colors.