Tissue Culture Dishes provided by Next Day Science are produced under the strictest conditions so that we can guarantee the veracity of your cell culture and tissue work. USP class VI virgin polystyrene, a Class 100,000 clean room, and ISO 9001:2000 quality management systems all help to maximize the reliable cell culture and tissue performance. These products are treated for tissue culture with a Vacuum Plasma method which delivers a hydrophilic and consistent surface for attachment of cells. Growth surfaces free from marks and flat to maximize transparency and usable growth area.