Description:

【Head Protection】Safety cap insert provides great head protection and effectively protects against bumps, scrapes, bruises, etc.
【Premium and Reliable】The hat insert are made of high quality ABS and sponge material, which is sturdy, wear resistant, durable, and does not break or crack.
【Lightweight and Breathable】Insert is designed to not be stiff or bulky, and venting holes enhance breathability to keep cool.
【Fit Any Hats】Cap Circumference 54cm-59cm/21.26inch-23.23inch, to fit different cap designs or baseball hats.
【Widely Application】Baseball caps insert is perfectly suitable for automobile assembly, maintenance, working, machining, industrial manufacturing, etc.

Specification:

Material: ABS

Size Chart:

Outer Circumference:20cmx18cmx12cm/7.87inchx7.09inchx4.72inch
Inner Circumference: 54cm-59cm/21.26inch-23.23inch

Package Includes:

1 Cap Insert 

Note:

Please allow slightly errors due to manual measurement and different monitors.