PolyesterImportedCore Protection Feature: This hard hat jaw strap is designed to securely hold your safety helmet in place during active work, providing reliable chin support to prevent helmet displacement in various environmentsAdjustable Fit Design: The chin strap offers flexible adjustment options allowing users to adjustable the fit for comfort and security, accommodating different head sizes with ease and ensuring a snug helmet bandDurable Plastic Material: Made from high-grade plastic, this helmet strap combines lightweight construction with reliable strength, delivering a balance of flexibility and resistance suitable for extended use in safety helmet applicationsSafe and Comfortable Design: Featuring smooth rounded edges, the chin strap minimizes skin irritation and reduces the risk of scratches, enhancing wearer comfort during prolonged wear on construction or outdoor job sitesWide Compatibility and Application: Suitable for various hard hat models, this helmet jaw strap serves as an essential hard hat accessory to improve helmet stability for construction, industrial work, and other safety helmet uses