Petri Dish Disposable 35mm, moulded in Polystyrene-EIS-CH0374C offers a thoughtfully designed, durable resource for hands-on learning. Single disposable petri dish made of high quality, transparent polystyrene plastic. Sterile. Triple vented lid to allow for airflow and discourage condensation build-up. Ideal for applications requiring better gaseous exchange or evaporation. Petri dish is packed individually in polyethylene bags and sterilized by radiation. Non-toxic, multifunctional and ready to use. Excellent for general laboratory applications, including cell culturing, plant germination, precipitate drying and solvent evaporation, home or classroom science experiments, crafting, small storage solutions and more. Dish measures 1.4" (35mm) in diameter and 0.4" (10mm) deep. Lid measures 1.6" (41mm) in diameter.