Difference between indoor and outdoor putting green ?

[Greenskeeper13]

I build a 9x4 box in my garbage and now need the turf ..

I have a roll of carpet golf green but it’s in 2 pieces I don’t want that seem..

ivr looked at Bella turf and they have putting green but it’s synthetic .. looks a bit Wierd but appently works great

what’s your thoughts or insites ?