Our ground edge microscope slides are made of good quality flat glass sheet, 7101, 7105 & 7107 are vrey popular. Our Ground edges microscope slides are with fine ground smooth edges, while price is still very competitive. Item 7101 Plain Slides 7105 Single Frost Slides 7107 Double Frost SlidesPacking: 50 pcs or 72 pcs/box Microscope Slides