Handy Duo: 2 x 1 litre dishwasher safe reusable bottles, means less time & fuss trying to get the bottles clean & more time enjoying your favourite carbonated drinks. Perfect for the whole family Less Waste, More Sparkle - Fresh, sparkling water in seconds, without buying endless plastic. 1 reusable SodaStream carbonating bottle can save up to 1,282 plastic bottles from our planet over 4 years Home & Away - Weighing just 300g, these reusable carbonated drinks bottles are perfect to take out and about; Being lightweight and compact, carrying them is easy so you can always stay hydrated Taste Tested - BPA-free plastic and perfect for carbonating water, avoid consuming harmful chemicals found in plastic bottles; Equipped with a hermetic sealing cap to keep your drinks fizzy for longer Compatible: ONLY compatible with SodaStream Spirit, Spirit One Touch, Terra, Art, Power, and Source Sparkling Water Makers. Please check your machine model before purchase