· Real Human Hair:Full Shine u tip hair extensions are made of real human hair,heat resistant and durable,with a smooth texture that blends naturally with your original hair· Italian Keratin:Full Shine u tip hair extensions are made from Italian keratin which is a protein component of natural hair;it is easy to apply and remove,and will not cause irritation to your natural hair and scalp when used correctly· Specifications:14 inch u tip hair extensions,0.8 g/s total 50 strands 40 grams;16-22 inch u tip hair extensions,1 g/s total 50 strands 50 grams;with u tip,you can experiment with various hairstyles,including updos,braids,curls,and straight looks· Seamless Blend:Full Shine u tip hair extensions attachment method ensures a seamless blend between your original hair and the extensions,creating a natural and invisible look· Installation Tips:To ensure maximum comfort, we recommend installing the hair extensions 1.5-2 inches away from your scalp;no matter which installation method you choose,our extensions will blend naturally with your original hair· Flexibility:Enjoy the flexibility to add volume and length exactly where you desire,creating a personalized and custom look;to express your style,incorporating a different color as highlights for a bold and distinctive look