The adjustable helmet accessory with chin straps and button is designed for optimal safety and comfort. Ideal for construction workers, football players, and anyone needing secure headgear, this accessory ensures your helmet stays firmly in place. The BOA rotary lock allows for easy size adjustments, providing a snug fit for various head sizes. Whether on a construction site or a football field, this chin straps keeps your helmet secure, enhancing safety and performance. Features - Color: Black -Material:Plastic - Size: 36.00X11.00X1.00cm/14.15X4.32X0.39in -Adjustable helmet regulator: the helmet regulator allows you to adjust the hat size according to your personal needs, providing better comfort and safety -Chin straps button adjustment: the chin straps features a button that allows for size adjustments, ensuring the hat remains securely fastened -Boa rotator head lock: the safety helmet is equipped with a boa rotator head lock that reliably secures the helmet, preventing accidental loosening -Lightweight material: made from lightweight materials, this helmet accessory won't add extra burden to your head, ensuring prolonged comfort -Versatile compatibility: suitable for various types of safety helmets, this accessory enhances both safety and comfort across different applications Package list: 1 x hard hat chin strap 5 x buckles 1 melt adhesive