Matsunami sterilized 35mm glass bottom dishes let users maintain cultures directly on the highest quality cover glass. The inherent hydrophilic glass surface allows for easy in-lab application of surface coatings. Designed for use with inverted, fluorescence, and laser microscopes. These standard sized 35mm dishes are available uncoated or coated with either Poly-D-Lysine (PDL) or collagen. EOG sterilized.