product feature:1)the aluminum frame,the ABS skin.

                        2)it is EVA inside.we can put some quartz stones or man-make stones in it.thus they look more beautiful.

                        3)it is very light,so it is easy to be carried.

                        4)standard:12-hold or 15-hold

                        5) the stone sample also case called stone display case.the manufacturer of quartz stone can put the sample in it,then display them or  send to the guest