Never run out of soda water, make sure you have the Soda King Classic PET Bottles 1/2 Litre Twin Pack! Our carbonating reusable bottles are made from BPA free plastic and designed to be used time after time. Featuring a hermetic sealing lid, they keep your drinks sparkling for longer. Perfect for using with your sparkling water machine, they're also great to use as a sturdy everyday water bottle. Pack contains 2 x 0.5L reusable BPA free bottles. Remember, our reusable bottles don't like to go in the dishwasher or hot water, the best way to clean them is in cold water with either a mild soap or lemon juice.