Calibrated "to contain" (TD). The scale and figures are durable white enamel which stand out clearly against the red colorband on these Lifetime Red cylinders. The 10mL size has a funnel top. Bumper guards are supplied with 100mL through 2000mL inclusive. The 100mL size is made in accordance with ASTM E133 and E1272 and is used in ASTM tests D86 and D216.