Nail hair extension Remy hair,color: various colors. Italy keratin U,V or I tip,0.5g,0.7g,0.8g, ... ,0.5g,0.7g,0.8g,1g/strand2.Length:10'',12'',14'',16'',18'',20'',22'',24'',26'',28'',30''3 ... 24 hours5.Color,1#,1B#,2#,4#,6#,8#,10#,12#,14#,16#,18#,20#,22#,#24,#27S,#50,#51,#144 ...