Material: Polystyrene Qty./Pk.: 20 Qty./CS.: 500 Cell Growth Area: 25 cm2 Flask Shape: Triangular Neck Style: Angled Surface Treatment: TC-Treated Graduations: Yes Cap Style: Phenolic Style Cap Material: High Density Polyethylene Cap Color: Black Recommended Medium Volume: 5-7.5 mL Max. Working Volume: 10 mL Sterile: Yes