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: Beaker Material: Lead-free Glass Capacity (Optional): 50ml, 100ml, 250ml, 500ml, 1000ml Features: Durable, with Handle, Heat Resistance Size 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 item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Beaker