My Bottles - 2 Blue Height: Approximately 24.5 cm, Diameter: Approximately 7.5 cm Capacity: Approximately 625ml Green Height: Approximately 18.7 cm, Diameter: Approximately 6.5 cm Capacity: Approximately 300ml The green, thin cylinder is pre-filled with water and frozen. When using, put a small amount of the drink in the bottle and insert the frozen cylinder. This helps cool the drink. Convenient for outdoor activities and children. If cooling isn't needed, it can be used without the cylinder. Scratches and slight discoloration present. Sterilized again. #MyBottle #PlasticBottle #Outdoor #CoolingBottle