Meet the professional srandard of public Safety of Ga16 5-1997 "bullet-resisting compound Glass" and the national criferion of GB17840-1997 "Bulletresisting Glass". The 54-style pistol with a solid steel bullet annot shoot if through from a 5-merer distance. The 79-style submachine gun with steel-cored bullet cannot shoot if fhrough from a 10-meter distance. Product specification The largest size: 3050 X 1850(mm)