Check the listing for details. 7103 Single Depression one well concavity slides Concave Glass Microscope Slide. Color: Clear, Condition: New. Listed at 14.40 USD. 7103 Single Depression one well concavity slides Concave Glass Microscope Slide. Used for viewing liquid under the microscope Size: 25.4*76.2mm Thickness: 1.1~1.3mm. Package: 12 pieces per paper box. Will sell as 1 box or multiples, just let me no quantity needed… Will ship in box for safe secure shipping Any questions, please ask. Response within 24 hours or less. My home is pet free and smoke free home. Items come from auctions, estate sales, yard sales, stores or my own private collection. Vintage or used items may have signs of light use or prior life. Some items have a restocking fee. Shipping fees will not be refunded. Returns at buyer's expense. International buyers are responsible for all international taxes, fees, tariffs, customs charges, VAT's, etc associated with importing items.