Designed for convenience and durability, this elastic strap features metal barbs on both ends, making it ideal for securing notebook eye masks. The flexible material ensures a snug fit, while the metal barbs provide a strong hold. Suitable for various applications, this strap is for party hats, DIY crafts, and more. Features -Color:White -Material:Polyester -Size:28.00X0.10X0.10cm/11.00X0.04X0.04in -Adjustable metal barbs: the elastic string for party masks features metal barbs on both ends, allowing for easy adjustment of tightness. -Comfortable stretch: the elastic string for books is designed to stretch, ensuring a comfortable fit for various users. -Portable and secure: the elastic string for mask includes a convenient carrying strap, making it easy to transport and less likely to be misplaced. -Multiple applications: equipped with several elastic strings, this product meets diverse usage needs, from hats to masks and more. -diy usage: the elastic barbed cord can be paired with different items as needed, offering flexibility for various scenarios Package list: 150 x Elastic Barbed Cords