With these SodaStream Twin Pack 1 Litre Bottles, you can ensure you always have a bottle of cold, sparkling water ready in the fridge. Supplied in a convenient twin pack, the SodaStream carbonating bottles are compatible with the SodaStream manual and power water makers. Each bottle has a capacity of 1 litre and is made from BPA-free plastic and has a lifespan of around 3 years, which eliminates the use of single use plastics.Coming with an airtight sealing cap, these bottles keep your water fizzy for longer, so you can enjoy a sparkling beverage at any time with no waste.. BPA-free plastic bottles. Twin pack. Each bottle has a 1 litre capacity . Seal to keep drinks sparkling for longer. 3 year lifespan. Approximate dimensions (mm) H 280 W 175 D 90. Weight 0.2KG