Upgrade your hat-wearing experience with our hat adjustment elastic band. This adjustable strap provides a secure and comfortable fit, preventing your hat from slipping or falling off. Made from materials, it is designed to last, making it a reliable and stylish accessory for any hat lover. Features -Color:Black -Material:Met, cloth -Size:13.00X2.50X1.00cm/5.11X0.98X0.39in -comfort: the adjustment strap offers fit, ensuring your hat stays snug and comfortable on any head shape - elastic: the hat strap provides elasticity and durability, maintaining its integrity over time -Optimal length: the 10 cm length with a 4 cm ear tab makes the hat size extension accessories easy to adjust, offering a practical and efficient solution - : the replaceable cap extender is meticulously designed to provide a secure and reliable fit, enhancing the overall durability of your hat -Multifunctional: suitable for various activities such as sports, travel, and everyday wear, the baseball hat cap buckle strap clasp clip enhances both functionality and style Package list: 4 x Hat Extender