OLYCRAFT 6PCS Glass Petri Dishes High Borosilicate Glass Bacterial Culture Dishes with Lid 60mm Dia x 18mm Deep with 2pcs Glass Culture Plate for Laboratory School Science Project

【Package Include】--6pcs glass petri dishes ans 2pcs 8” long glass droppers; Size of the glass petri dishes: about 6cm/2.36” in diameter, 1.8cm/0.71” deep. 【Premium Quality】-- Made of high borosilicate glass which with high strength and high light transmittance; The transparent surface provides good observation during using. 【Exquisite workmanship】--The edges and bottom cover of our high borosilicate glass petri culture dish are even, smooth and flat of its surface. 【High Stability】--High borosilicate glass does not easily react with acid or alkali , unlike other plastic petri dishes, glass petri dishes have higher chemical stability. 【Environmental and Reusable】--The glass petri dishes are environmental friendly and non-toxic, they’re also reusable after clean up, for long-lasting using.