Material: 100% human hair<br />Size: 8-30 inches<br />Color: 1B # natural color<br />Weight: 100g ÷ 5g / each<br /><br /> <br />The standard size is a curtain of hair and long hair、 long hair is hair extensions worth the few at the top to the longest hair length most strengths<br />This is the standard measuring method and labeling instructions<br />Please also impossible to understand a bunch of hair extensions every hair of the tail is the same length<br />The standard size maximum will 0.5inch error