This item is manufactured with premium glass material with sterilization process. It's easy to use. The precise design will ensure its practicability in the work of highly performance. Great petri dish choice for experiment use. Features - Color: Transparent. - Material: Glass. - Size: 6.70X6.70X1.50cm/2.63X2.63X0.59inch. - Packing content: 6pcs 60mm petri dishes with lids, 2pcs 20cm droppers. - Best experiment set: 6 Pcs petri dish with 2 Pcs transfer pipettes set. Sufficient depth and capacity sizes to meet your different needs. - Premium petri dishes:With smooth transparent surface,they can be used for cell culture. - They are optically clear for clarity in microscopic examination. - With Lids: All of the dishes come with lids. It enables gas exchange in the cultivation of and . - Multifunction: Laboratory analysis for biological, labs, and other activities, suitable for general training. Package list: 6 x pertri dishes 2 x droppers