Two 1L bottles. These dishwasher-safe SodaStream carbonating bottles ensure you can stay hydrated whether you're at home or on the move. Made from high-strength BPA-free plastic, the hermetically sealing cap keeps your carbonation fresh so you can take a sip, re-seal, and sip fresh bubbles again and again. Compatible with SodaStream's Spirit, Spirit One Touch, Terra, Art, Power, and Source Sparkling Water Makers.