4-point chin strap with chin guard. Spare part for Expertbase safety helmets . Relevant Helmet 1st , 2nd  Sold in set of 5.
 
Features
Y-style 4-point chin strap
Easy to clip-on
Buckle size adjustment for easy fitting
Chin guard for added comfort and stability
Sold in packs of 5
Retail bag which aids presentation for retail sales
 
 
Materials
Nylon, PP