VEVOR Faux Stacked Stone Panel, 45.6 x 12.8 in Artificial Stone Wall Panels, High-Density PU Stones Siding Panel, Easy to Cut, Rock Panels for Interior and Exterior Decorations, Brick Red

There is one panel.

No, this product can't handle being exposed to a lot of rain.

This product comes in only one color.

For corners, you can cut and install the material according to the on-site dimensions and then join the pieces together.

Yes, this is the price for one panel.