ASI™ Round Glass Coverslips are made from high-quality glass that is non-cytotoxic and manufactured in 100,000 grade clean rooms. Cover glass diameter is 14mm. ASI™ cover glass is available with a thickness of No. 1 0.13-0.17mm, No. 1.5 0.17-0.19mm, and No. 2 0.19-.23mm. Optically clear glass Cover slip for microscope slides Packed in 100/sleeve or 10 packs of 100, 1000/cs Glass Coverslips are ideal for: Confocal Microscopy Confocal Laser Scanning Microscopy (CLSM) Fluorescence Microscopy Green Fluorescence Protein (GFP) Fluorescence Resonance Energy Transfer (FRET) Immunofluoresence Microscopy Phase Contrast Microscopy Polarized Light Microscopy Differential Interference Contrast (DIC) Multi Photon Laser Scanning Microscopy (MPLSM) High Resolution Image Analysis Infrared Imaging Calcium Imaging