Our elastic string is ideal for hair extensions, providing an invisible and seamless look. This and stretchy hair extension wire is ideal for creating natural-looking hair bundles and weaves. Simply thread the elastic string through your hair extensions and tightly for a great finish. Features -Color:Black -Material:Silicone -Size: 4.90X4.90X4.50cm/1.93X1.93X1.77in -Elasticity: the elastic thread ensures a seamless hair bundle, making it ideal for hair extensions, wigs, and braids -Thin and soft: with very thin thickness, this fine line is soft and comfortable, reducing the risk of breakage during use - material: made from wearresistant materials, this thread is and can be reused multiple times -Diy beading: ideal for diy beading projects, allowing you to adjust and decorate according to personal preferences -Adjustable tightness: the elastic design allows for easy adjustment of hair tightness, providing flexibility in hairstyling Package list: 1 x roll of string