where i live we have a very big music festavial each yr and thay use Porto Potties only problem is the Q's get sooooo big i mean a wait of 2-3 hrs in line that anyone whos been b4 now buy aduly diapers(nappies) from a local disabiltys supplyers thats up the road from the site and for the last 2 yrs thay have compleaty sold out and last yr thay tribbled there normal order for the 3 months b4 so thay had the stock and thay still sold out no b4 u ask i didnt buy dems all