This adjustable accessory with a chin strap and button is designed to provide maximum safety and comfort. The BOA rotary lock system allows for effortless size adjustments, ensuring a secure and comfortable fit for any head size. Ideal for use in construction, sports, and other high-intensity activities, this accessory keeps your firmly in place. Its versatility and ease of use make it an indispensable part of your safety equipment. Features -Color:Black -Material:Plastic -Size:38.00X12.00X1.70cm/14.93X4.72X0.67in -Adjustable regulator: the regulator allows for easy adjustment of the size, providing a secure fit for every user -Quick and easy chin strap adjustment: the chin strap features a button for rapid and precise size adjustments, ensuring the remains securely fastened -Reliable boa rotator head lock: the boa rotator head lock provides a secure locking mechanism, preventing the from becoming loose during use -Lightweight and comfortable design: made from lightweight materials, this accessory ensures that the remains comfortable to wear for extended periods -Versatile and compatible: suitable for various types of safety , this accessory enhances both safety and comfort, making it ideal for different applications Package list: 1 x hard hat chin strap 5 x buckles 1 melt adhesive