Length and volume! 100 Percent, premium quality, human hair 3/4 Fall, clip in extension. Length is 18 inches. Base size is 10.5 inches wide by 6 inches long. This unit weighs approximately 3.8 oz. Curling iron, flat iron or electric rollers can be used to achieve the desired results. Wig Secret, features premium quality, natural looking wigs and hairpieces at affordable prices.