Classic One Piece Clip in Hair. Designed for adding volume only. Suitable for installation on both sides of the back of the head. About length suggestion, we suggest you order hair extensions which is not longer than 4inches. If you have a blunt cut hair ends, please trim your own hair to be thinner or braiding partical hair before wearing. (Please partition your hair first, leaving a part of the hair just below the back of your head, braiding the hair ends, wearing the hair extensions) 5. If you want very full hair, it’s a good idea to order Upart and Classic one piece at the same time. 14inch 35cm 80grams ; 18inch 45cm 90grams; 22inch 55cm 100grams. This item is in the category “Health & Beauty\Hair Care & Styling\Hair Extensions & Wigs\Hair Extensions”. The seller is “toys-shop2018″ and is located in this country: CN. This item can be shipped worldwide.