*Available with 7 different diameters of 1.8, 3.5, 6.0, 7.0, 9.0, 10.0 and 15.0cm *Available in surface treated, non-treated or CellATTACH®Surface Treated *Flat bottom uniform wall thickness ensures distortion-free bottom *Dish surface is smooth and free from striation to maximize usable area for growth *The rim on upper side of the lid mates with the dish brim for easy and secure stack *Lids with several little chimbs to shape vents are available for very effective gas exchange *Sterilized by gamma irradiation *Non-pyrogenic