• Actual inside bottom surface dimensions are 224 x 224mm wide and inside height is 18mm
• Manufactured from optically-clear virgin polystyrene
• Not treated for cell attachment, for applications where cell attachment is not desired
• Sterilized by gamma radiation and certified nonpyrogenic
• Have stacking beads to aid in handling
• Compatible with automated colony picking instruments
• Patented (U.S. Patent No. 5,856,176) design allows for easier handling