Each 1-liter SodaStream bottle includes a special hermetic sealing cap and is BPA-free. The base and cap are stainless steel. These reusable bottles are made of the same high strength PET as the bottles you received with your machine. SodaStream bottles are specially designed for high-pressure resistance.
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Features
Each bottle has a lifespan of 3 years and is not made with any polycarbonate materials or substances that produce phthalates or PCBs, ensuring an environmentally-friendly product. BPA-Free! Soda-Club's suppliers and subcontractors meet exacting specifications, so that millions of customers worldwide can enjoy a safe and superior product that is compliant with international standards for beverage quality