1.We use 100% Peruvian virgin hair for our lace top closures. 2.Lace chart: our stock top closures come in light brown,medium brown,dark brown lace. 3.Color chart: 5.Density chart: 6.Size:our top lace closures in stock come in size 4*4,13*4,5*5,13*6 in stock,It will take around 18 days to make new lace closure hairpieces.