Description: Characterized by transparent, low and smooth, this culture dish has no unevenness, which is convenient to use and can provide you with stable placement. Adopting high-quality material, so this culture dish has high hardness, excellent corrosion resistance and good durability. This culture dish is made of high borosilicate glass, which is lead-free and durable. There are different sizes for you to choose. It is suitable for scientific research, laboratory and so on. Item Name: Glass Petri Dish Material: High Borosilicate Glass Features: Heat-resistant, Easy Operation, Anti-corrosion Size Details: 60mm: Bottom Diameter: 56mm/2.2", Cover Diameter: 64mm/2.52", Height: 19mm/0.75" (Approx.) 75mm: Bottom Diameter: 71mm/2.8", Cover Diameter: 79mm/3.11", Height: 19mm/0.75" (Approx.) 90mm: Bottom Diameter: 85mm/3.35", Cover Diameter: 93mm/3.66", Height: 21mm/0.83" (Approx.) 100mm: Bottom Diameter: 96mm/3.78", Cover Diameter: 102mm/4.02", Height: 24mm/0.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Glass Culture Dish