DISH, PETRI STACKABLE POLYSTYRENE 100X15MM (25/SL 20SL/CS) McKesson Petri Dishes Clear lid for distortion-free optics Round, beveled edge High-quality polystyrene delivers optical clarity Shallow, circular containers Diameter: 100mm (approximate) Height: 15mm (approximate) Used to evaporate solvents or store samples Vented lids help gas exchange Crystal-grade polystyrene with frosted rim for easy handling and durability Non-pyrogenic Standard style, untreated bacteriological Petri dish Easy-to-open sleeves Protective and convenient packaging Sterile in unopened, undamaged sleeve packaging Not Made with Natural Rubber Latex Packaged: 25 Per Sleeve, 20 Sleeves Per Case