... can tell us : The length---generally it is 6'',8'',10'',12''......28'',30'',32'' Needed color ---You can tell ... front to nape 13.6 ear to ear across hairline 10.8 ear to ear over top 12.5 temple ... #1, #1b,#2,#3,#4,#6, Medium color:#7,#8,#10,#12,#14,#16,#30,#33,#130,#350,#530,#99j,#144Light ... any color is available.Light color and T color add 10% extra fee, from #8 will belight color 5.Hair Texture Silky ...