lockable snap frame(32mm)
1)strong 32mm aluminum anodized frame
2)silver color usually, also can be painted to many colours
3)mitred corner only
4)there is one key on the outer frame to lock the frame
5)many other sizes are available
6) the back board is MDF for 32mm usually, also can be other materials
7)packed in plastic foam and carton
lockable snap frame(32mm)