Material:glassAllowable error: 1 (ml)Capacity:straight mouth (including rubber stopper) 50ml, straight mouth (including rubber stopper) 150ml, straight mouth (including rubber stopper) 150ml, straight mouth (including rubber stopper) 200ml, straight mouth (including rubber stopper) 250ml, straight mouth ( Containing rubber stopper) 300ml, straight mouth (including rubber stopper) 500ml, straight mouth (including rubber stopper) 1000ml, straight mouth (including rubber stopper) 2000ml, straight mouth (including rubber stopper) 3000mlThe flask is a common laboratory glassware with a scale on the outer wall that gives a rough estimate of the volume of liquid in the beaker.The package includes:1* Erlenmeyer