Specifications:Made of high quality material, it is durable, heat resistant and easy to use.It is widely used for heating, dissolving, mixing, boiling, melting, evaporation, concentration, dilution and precipitation clarification of reagents.The beaker with a glass handle has a notch on the side of the top for easy pouring of liquid.Item Name: BeakerMaterial: Lead-free GlassCapacity (Optional): 50ml, 100ml, 250ml, 500ml, 1000mlFeatures: Durable, with Handle, Heat ResistanceSize Chart:50ml: Diameter of Beaker Mouth: 45mm/1.77", Product Size: 6.1cm x 6cm x 4.5cm/2.40" x 2.36" x 1.77" (Approx.)100ml: Diameter of Beaker Mouth: 53mm/2.09", Product Size: 7.2cm x 7cm x 5.3cm/2.83" x 2.76" x 2.09" (Approx.)250ml: Diameter of Beaker Mouth: 77mm/3.03", Product Size: 9.7cm x 9cm x 7.7cm/3.82" x 3.54" x 3.03" (Approx.)500ml: Diameter of Beaker Mouth: 85mm/3.35", Product Size: 12cm x 10cm x 8.5cm/4.72" x 3.94" x 3.35" (Approx.)1000ml: Diameter of Beaker Mouth: 105mm/4.13", Product Size: 14.5cm x 12cm x 10.5cm/5.71" x 4.72" x 4.13" (Approx.)Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Beaker