Don't have the extra funds to purchase a custom unit? Don't get uptight because you can still slay for that last minute event you're going to. B.F.Units are premade manufactured units that range in sizes 21.5-22.5 circumference. We have lace closure, and lace frontal styles! The lengths range from 10-14" in straight, body wave, and deep wave. These units can be custom colored to your liking as well!! All knots are bleached and lace can be tinted to your skin color for a flawless look!!!!!