Grade

Style

Protect Aera(m3)

Proof Level

MYB—I

whole body with lap

0.60

standard NIJ 3A Of USA

MYB—II

whole body

0.50

standard NIJ 3A Of USA

MYB—III

vest

0.32

standard NIJ 3A Of USA

MYB—IV

vest

0.28

GA141-2001 standard for police II of ministry of police

MYB—Y

vest

0.28

GA141-2001 standard for police III of ministry of police