GOO GOO hair extensions are made of 100% remy human hair. They are not mixed with synthetic hair or animal hair. Scientific research shows that leaving any extension in the same place for a long period can create stress on the hair and scalp. GOOGOO hair is dedicated to the development of the highest quality hair extensions. Our breakthrough clip-in hair extensions do not have the perils of glue, tape, sewing or other heavier application methods. Damage-free and comfortable.Our team uses the latest color matching technology to design a more fashionable collection of premium ombre colored clip-in hair extensions to enhance beauty, for girls and women to choose from.Product DescriptionHair Material: 100% real human hair, can be washed, curled and dyed like your own hair.Hair Extensions with Clips: 4-piece set 65g. 50g net weight for hair without clips, 65g for hair with clips. One set for thick hair, two sets for thin hair. Hair Sets: 1 x 8"" wide weft 4 clips attached, 1 x 6"" wide weft 3 clips attached, 1 x 4"" wide weft 2 clips attached, 1*2"" wide weft with 1 clip.Length: 14-20 inches.Texture: Silky straight, can be curly or wavy.Hair Dye and Curl: Choose the color similar to your hair. It can be dyed to match perfectly and can be curled to any beautiful hairstyle you want.Hair Care Tips1. Hair Color: Real product picture. When you choose the color, do so according your hair root color. Maybe due to lighting effects, monitor's brightness/contrast settings, etc, it could be a little light or dark.2. Hair Dying: It can be treated and styled like your own hair. We do not suggest dyeing the extensions in a colorful or lighter color. If you want to do this, please go to a professional salon or contact us.