• polyester
• Professional helmet chin straps: adjustable and flexible, easy and adjust according to your needs, universal and practical,hockey sports chin strap
• Chin strap for helmet: workmanship and good polyester materials ensure a and details,helmet chin protector strap
• Professional helmet chin strap: easy to install and use, chin strap is not easy to fall off, can be well-used in helmets,replacement chin strap
• Universal comfortable chin straps: made by stable polyester materials, and , which could be used for very long time,adjustable helmet chin strap
• Safety helmet chain belt: this universal chin strap for hard hat is very easy to install and simple to operate, giving you huge convenience,wear-resistant helmet strap