real remy human hair extensions .The length is measured with the straight hair length. The 7 pieces/sets include:1 pcs - 8" (20cm) (3 clips each), 2 pcs - 6" (15cm) (3 clips each), 2 pcs - 4" (10cm) (2 clips each) 2 pcs - 2" (5cm) (1 clip each), this hair set is about 80g, hair net weight is aout 65g, hair is thin, just for thick hair who want to add hair volume. Weight: About 80g length:16 inches Color: dark brown Can Be Treated & Styled (washing, strengthening, curling, etc.) like your own hair, color had already been processed, we recommend do not dye it. High quality, tangle free,silky soft Tangle free - follow washing instructions & it will be tangle free