Hym Slay'D units are the best! Why you ask? We here at Hym Slay'D really have gone above and beyond to ensure that we are giving 100% top quality virgin human hair combined with very fine yet durable lace, microscopic sized knots....not to mention the fullness within each unit. You will fall in love with just how natural the units truly are. These Units can be custom colered to any color thst you desire without needing to bleach the hair!