3 x SodaStream PET bottles for Source / Genesis / Play soda makers (won't fit to other devices)</br>Expiry date in 2-3 years from purchase day</br>Extra carbonating bottles for Sodastream soda makers</br>Easy to clean</br>Hermetically sealed caps retain carbonation longer</br></br>Product Description</br></br>Having extra carbonating bottles for your SodaStream machine is a great way to keep a variety of drinks for your guests. A special hermetic sealed cap ensures that you keep the carbonation in so your soda stays fresh and fizzy. Each bottle lasts up to 3 years and replaces 2000 bottles and cans from store-bought drinks that would otherwise be thrown in a landfill.</br><br/>http://www.amazon.com/gp/product/B016ZR8G3Y