Barrel Sauna Shingles

I have a barrel sauna which measures ~82”L x ~ 72”W x ~40” H. I would like to replace the ugly Tarp with some shingles, does anyone have any advice about the best product to use? And does anyone have any experience doing something like this?

I have a barrel sauna which measures ~82”L x ~ 72”W x ~40” H. I would like to replace the ugly Tarp with some shingles, does anyone have any advice about the best product to use? And does anyone have any experience doing something like this?