1.aluminium cabinet 2.Lockable 3.outdoor or indoor 4.safty glass Aluminum Frame Cabinet→Aluminum Frame (All edges are furnished with safety corner cap)→Sliding glass(3mm) keeps message visible and protected→White steel as back,lockable→Measures(Outer: MM):500*700*50,710*700*50,920*700*50,1130*980*50 (inner: MM):443*635*35,655*635*35,867*635*35,1077*913*35