Thanks to the smaller opening of the Narrow Mouth less water can rush out, making it easier to chug mindlessly. Also great for kids! Product Type:BOTTLE Package Dimension:8.1 centimeters LX 19.5 centimeters WX22.1 centimeters HX Package weight:0.115 kilograms The bottle holds 16oz of liquid, but the measurement graduations stop at 14oz because they cannot be printed higher on the bottle.