... 't be broken easilyUnlike common glass, it is process with tempering treatment and is very storng glass. It won't be broken when ... product nametempered glass for photo framematerialglasssizeall size availablethickness3mm, 4mm, 5mmsurface finishglossy, no scratchesclassificationtempered glass ,aggrandizement glassshapefan,wave, heart, S, apple and ect Glass Sheet for album ...