100 PCS Microscope Cover Glass for Preparation of Specimen for Biological Microscope. High Quality Glass Material: Made of high quality glass for clear light transmission and durability. Ground Edges for Safety: Slides feature carefully ground edges to protect fingers during use. Optimal Observation Performance: Cover glasses fix specimens better and prevent pollution for clearer viewing. Standard Size Specifications: Slides: 25.4*76.2mm, 1mm-1.2mm thick; Cover glasses: 20*20mm, 0.13-0.17mm thick. Disposable and Ready to Use: Designed for single use with free cleaning, ensuring hygiene for cell culture. ODM Service Available: Supports customization from both samples and designs for tailored needs. Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons. Flexible Payment Options: Accepts LC, T/T, D/P, PayPal, Small-amount payment, and Western Union.