This product is made of PE materials. Suitable for full-time outdoor workers in low-risk workplaces, it is compatible with baseball caps and provides your safeguard. It will be practical and creative to use, supports the caps and is not easily deformed. It can perfectly keep the shape of your and provide you with a . Features - Color: Black -Material:PE - Size: 20.50X19.50X9.00cm/8.06X7.66X3.54in -The simple design brings of convenience to your daily life, and is also very practical and easy to use. -A combination of fashion and safety, dynamic, creative, highlighting individual style, suitable for automotive assembly, maintenance, machining, industrial manufacturing and other fields. -Lightweight baseball cap bumper insert is comfortable and . -It will to use. Well-made, smooth and surface can ensure its popularity and practicality, beautiful appearance and good workmanship. -It can be directly assembled chin rest, with reinforcement inside, good protection function, very suitable for various activities that need protection. Package list: 1 x Cap Liner