Premium Material : The cap shell is made of high quality material , which is breathable and durable .
Lightweight : Cap Shell lined with light weight , portable and easy to use .
Universal Working Liner : Can be embedded in a variety of hat shapes to meet your various needs .
Crash Cap Lined : There are reinforcing ribs inside , which is stronger and has good protection function .
Wide Range of Applications : plastic baseball caps for automobile assembly , maintenance , machining , industrial manufacturing , etc .