Our microscope slide set includes 100 prepared slides used in basic biology education. They are made of premium-quality glass with precision ground and polished smooth edges. Labeling provides specimen identification. A must- have accessory for Basic Biological Science Education. Features - Color: Transparent. - Material: Glass. - Size: 7.6 x 2.5 x 0.1 cm. - They are made of premium-quality glass with precision ground and polished smooth edges. - Labeling provides specimen identification. - Slides are composed of optical glass for clear viewing. - Widely used in education, research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries.