Jorvet Culture Tube Sterile 5 mL is a transparent polystyrene specimen container designed for most routine laboratory procedures. Each tube includes a 2-position ribbed polyethylene cap that can be left open for aerobic work or sealed for anaerobic work. The clear 12 mm x 75 mm tube allows easy visual inspection of contents. Conveniently packaged as a 25-tube bag for efficient lab use and stocking.