180 degree Half Dome Mirror for indoor safety material:Acrylic Usage:For security,can be installed in ... supermarket,store,bank 180 degree Half Dome Mirror for indoor safetyUsage: For security , it is widely be used to ... increase the back of the mirror according to your needLensPMMAUsage indoor security size30,40,50,60,70,80,90,100,110 ... over the world 180 degree Half Dome Mirror for indoor safety