1 piece will be 50*65cm aprox.
2 pieces you will get  a piece of 50*140cm aprox.
3 pieces you will get a piece of 50*140cm and other of 50*65cm aprox.
4 pieces you will get a piece of 100*140cm aprox.
5 pieces you will get a piece of 100*140cm and other of 50*60cm aprox.
etc