Falcon® 24-well Clear Flat Bottom TC-treated Polystyrene Multiwell Cell Culture Plate, with lid, 10 stacks/tray, 60/case – Standard Tissue Culture Crystal-grade virgin polystyrene Nonpyrogenic Standard tissue culture (TC)-treated Convenient, peel-open medical-style packaging for individual product presentation Ready-Stack (RS) trays are PET (Code 1) and recyclable Working volume of Media is 0.8-1 mL Working volume of Trypsin is 0.08-0.1 mL (Your lab protocol may call for another proteolytic enzyme.)