500ml Bottle. The SodaStream My Only Bottle means you can stay hydrated at home or on the go. Perfect for holding still or carbonated water, the My Only Bottle has a stylish carry loop and looks the part when you're on the move. This UV resistant bottle reduce your carbon footprint versus single-use plastic with it reducing the average household plastic bottle intake by thousands and saves carrying heavy bottles from the shop. Compatible with the Terra, E-terra, Art, Gaia, Power, Spirit One Touch, Genesis, Cool Jet and Spirit SodaStream Sparkling Water Maker, these bottles are highly durable and keep their shape well.