Round Bottom Flask, Flask Type Boiling, Labware Capacity - Metric 25 mL, Labware Capacity - English 0.85 oz, Labware Basic Material Glass, Labware Body Material Type I Borosilicate Glass, Labware Neck Style Straight, Includes Closure No, Sterile/Non-Sterile Non-Sterile, Autoclavable Yes, Labware Clarity Transparent, Labware Body Color Clear, Labware Height - English 2.23 in, Labware Height - Metric 66 mm, Labware USP Specification Type I, Stopper Size 14/20