50 pieces clear glass slides blank microscope slides with frosted edges reusable for laboratory experiment biology study specification item name: microscope clear glass slides classify: only clear glass slides, or slides with frosted edged quantity: 50 pieces in one box dimensions of slide: 1" x 3" (25.4 x 76.2 mm) thickness: 1.1-1.3 mm material: high quality glass, glass is carefully edge grinding, prevent cutting fingers! usage 1. making and collection microscope specimens 2. make it easy to form a thin film on the observed objects, pervious to light, convenient for observation 3. make the specimen relatively fixed 4. avoid specimen from polluted buy from tag itela medical limited today and have your orders delivered freely at your doorstep. “make payment on delivery” thank you...