The SodaStream 1011701011 Fizzi Sparkling Water Maker in Black is a stylish and efficient appliance for creating sparkling water at home. With a snap-lock bottle mechanism, this model is easy to use and maintain. Made of a combination of plastic and metal, it features a lightweight and elegant design with closure technology for convenient bottle insertion. The BPA-free bottles included with this set are reusable, making it a sustainable and cost-effective option for enjoying your favorite fizzy beverages. This unit does not require CO2 cylinders or batteries, providing a hassle-free experience for sparkling water enthusiasts.