360 lace wig vs full lace wig

What is the difference between 360 lace wig vs full lace wig?

360 Lace Wig is hand made all around the perimeter except the top area, the top area was made by machine made so the price for 360 wig is more affordable than full lace wig. 

But Full Lace Wig is full hand made wig and there is no machine made at all, please check picture below for full lace wig: