Drink healthier and stay hydrated! The Soda Buddy Machine lets you enjoy refreshing and bubbly carbonated beverages without injecting excess sugar and harmful chemicals into your body. This Soda Maker kit comes with (1) Soda Buddy home soda machine in black or silver, (1) 4 ounces of CO2 carbonator, and one BPA-free plastic bottle. Enjoy the sensation of sparkling water, juices, wine, cocktails, and even flat soda or beer without throwing away single-use plastic bottles; our reusable carbonating bottles last for two years! This bottle comes with hermetically sealed caps to keep drinks fresh and fizzy. Requires no electricity or battery, great for use in RVs and boats, and even on camping trips! 4 EASY STEPS: (1) Install the CO2 Refill Cylinder at the back of the machine (2) Fill the bottle with water or any beverage (3) Insert the bottle to the machine and (4) Push the button to start carbonation - you may repeat 2-3 times to customize the CO2 level of your drink.