Advantages of Vivia Bella Human Hair Clip ins: Top Quality Virgin human hair, No shedding, No tangle, Durable, Reusable. Can be dyed,curled,straightened,washed as your own hair. It is flexible to use by your choice. Useful for both thin and thick hair by adjusting the pieces. Vivia bella hair clip-ins are perfect for adding length or volume. Well crafted double wefts sewn with Quality Clips stitched on hairs, Secure & Comfortable to wear. Please Note:Hair type :body wave ( big wave , loose wave , curly wave) .Hair specification: 7pcs/package, 16 clips ins .Have different volume for different lengths. Hair Measure: Stretching the hair to be straight and then measure with ruler. Hair Coloring: Light color hair can only be dyed to darker color.Picture Color: To ensure hair extension color match your own hair,please send us your photos taken in outdoor with natural light. Return Policy: For any quality problems,we provide 7 days easy return after we confirm. For a full refund, please make sure the hair is not been used in 30 days.Please contact us on Amazon if you have other problems. Customer Service:When you place an order, we will post it on time and keep tracking until it arrive, We are here 24/7 to answer any questions.