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 or 1.77", Product Size: 6.1cm x 6cm x 4.5cm or 2.40" x 2.36" x 1.77" (Approx.) 100ml: Diameter of Beaker Mouth: 53mm or 2.09", Product Size: 7.2cm x 7cm x 5.3cm or 2.83" x 2.76" x 2.09" (Approx.) 250ml: Diameter of Beaker Mouth: 77mm or 3.03", Product Size: 9.7cm x 9cm x 7.7cm or 3.82" x 3.54" x 3.03" (Approx.) 500ml: Diameter of Beaker Mouth: 85mm or 3.35", Product Size: 12cm x 10cm x 8.5cm or 4.72" x 3.94" x 3.35" (Approx.) 1000ml: Diameter of Beaker Mouth: 105mm or 4.13", Product Size: 14.5cm x 12cm x 10.5cm or 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