two layers will make it more fuller. cornrow tree is braided to your scalp. individual/ singles are not.
PICTURE #1 below micro tree braids 2 layers
PICTURE #2 below reg treebraids with batik synthetic hair
picture #3below cornrow micro treebraids
picture #4 below single treebraids
#5 below mico tree
#6 below treebraidds with sew in in back
#7 below two layer micro treebraids wet and wavy
#8 below cornrow micro treebraids
#9 reg cornrow tree
#10 below individual micro treebraids
#11 below sew in with single treebraids