Single Petri Dish measuring 90mm in diameter and 15mm tall Made of high quality soda glass - Built to last Clear to provide easy visibility of cultures - Also great for using in the temporary storage of liquid, granules, powder, and for small specimens Autoclavable - Can withstand wet or dry sterilization for repeated use Beaded edging allows for greater mechanical strength Petri dish is made from high quality soda glass - easy to clean, built to last. Can withstand wet or dry sterilization for repeated use. Beaded edging allows for greater mechanical strength. Clear to provide easy visibility of cultures. Also great for using in the temporary storage of liquid, granules, powder, and for small specimens. Dish measures 90mm outer diameter x 15mm tall, with an inner diameter of 84mm.