Description: Features: 100% brand new and high quality. Microscope special cover Glass It is generally used in cooperation with a microscope slide. Good replacements and articles for school laboratory. Specifications: Product: Microscope Coverslips. Material: Glass. Color: Transparent. Size: 20x20mm/22x22mm/24x24mm optional. Quantity: 100 pcs. Note: Transition: 1cm=10mm=0.39inch. Please allow 0-5mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you If you really care about these details, pls DO NOT order. Package includes: 100 x Microscope Coverslips No retail package About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.