In the SodaStream Fireworks Fuse Bottles 1 liter 3-pack you make enough fresh sparkling water for the whole family. The bottles have a capacity of 1 liter. Because of the print on the bottles you easily remember which bottle is from whom. The bottles are not dishwasher safe and so clean by hand. Since there is a constant amount of carbon dioxide pressure on the bottles, it is advisable to no longer use the bottles if the expiration date has expired. The expiration date is stated on the bottles. The bottles are only suitable for the SodaStream Spirit.