1.for album cover or glass frame 2.tempered glass,very strong 3.smooth edges 4.all ... for photo framematerialglasssizeall size availablethickness3mm, 4mm, 5mmsurface finishglossy, no scratchesclassificationtempered glass ,aggrandizement glassshapefan,wave, heart, S, apple and ect Glass Sheet for album photo frame ...