3mm thick Aluminum  panel that will stay put come sunshine or rain.
 
They come in seven sizes, so you can choose the one that fits your needs. All sheets come with pre-mounted hanging hardware for easy installation.
 
.: Material: 3mm thick aluminum composite panel
.: 5 sizes to choose from
.: Suitable for indoor and outdoor use
.: Pre-mounted hanging hardware
.: Matte finish
 
Size option as per table , mockup's will give you an idea of ratio's 
 
 
11.7" x 8.3" (Horizontal)
11.8" x 7.9" (Horizontal)
15.7" x 11.8" (Horizontal)
16.5" x 11.7" (Horizontal)
19.7" x 15.7" (Horizontal)
23.4" x 16.5" (Horizontal)
27.6″ x 19.7″ (Horizontal)
Width, in
11.69
11.81
15.75
16.54
19.69
23.39
27.56
Height, in
8.27
7.87
11.81
11.69
15.75
16.54
19.69
Thickness, in
0.12
0.12
0.12
0.12
0.12
0.12
0.12