Item description: -Great for use at home, office, camping, entertaining and more. -Simply twist dispenser onto the top of a plastic 2-liter or 1-liter bottle, then invert the bottle to dispense drinks into your glass. -Fizz will last until the bottle is empty. -Keeps drinks carbonated and dispenses just the right amount right from your fridge. -Easy to wash -Usage Method: First reverse the product, align the mouth of the base with the bottle, and tighten it! -Then reverse the bottle and you can use it on your desktop! -Use the Scene: Kitchen