Amazon.com : FESHFEN Clip in Hair Extensions - 4 PCS Long 。* Material: Using high-quality fiber, it is soft, smooth, natural and easy to care, does not harm the scalp and hair, and can perfectly blend with your hair color. * The hair extension kit includes: one piece of 20 inches long (7 inches wide and 4 clips); 1 piece 20 inches long (6 inches wide and 3 clips); 2 pieces 20 inches long (4.2 inches wide and 2 clips); and 1 piece Compared with single hair extensions, 4-piece hair extensions can adjust the position to be worn, which is more suitable for your head size. * Use:The easiest and fastest way to use Clip extensions to increase hair density and length. Excellent color and silky smooth design, can blend with your own hair perfectly, you can get a new modern look in a few minutes. * Comfortable and healthy: Different from traditional hair extensions, clip-on hair extensions do not require tape or glue, do not hurt the scalp and hair, and can perfectly blend with your hair color.