4x4 Closure Wig is a type of hairpiece that includes a closure made of lace measuring 4 inches by 4 inches. This closure is placed at the top front of the wig to create a natural-looking hairline and part.   Why Choose a 4x4 Closure Wig One of the main reasons why people choose a 4x4 Lace wigs is its versatility. You can part your wig in the middle, on the side, or even create a...