Check the listing for details. Logitech Large 74x108mm Microscope Cover Slips, 0.17mm, 100/Box, Petrographic. Color: Clear, Condition: New – Open box. Listed at 120.00 USD. For sale are sets of Logitech Ltd. (UK) large format 74x108mm microscope slide cover slips; these come with 100 pieces per box and are 0.17mm thick. These are unused and complete but have been opened for inspection. There may be markings/inventory numbers on the boxes as well (these were originally back inventory for a lab facility). There are multiple sets available so the box condition may vary slightly from what is shown. Safety warningPlease be sure to handle slides with great care and follow all relevant industry safety guidelines while doing so; the use of appropriate PPE is also heavily recommended when handling this item. While great care will be taken to package these for safe delivery, caution should be still be taken when opening and inspecting the item as the glass is extremely thin and can become hazardous if broken. Buyer is responsible for the safe use of this item. I have other sizes of Logitech Ltd. slides and cover slips that will soon become available for sale, please let me know if you are interested in a combined purchase.