Enjoying your own custom-carbonated water is more convenient than ever when you keep these eco-friendly refillable carafes on hand. Designed for use with our Penguin Sparkling Water Maker, the clear glass carafes are equipped with tight-fitting stoppers that preserve sparkling water's bubbles. A green alternative to store bought water in plastic bottles, these sturdy, long-lasting carafes help eliminate the environmental impacts associated with shipping and shopping for bottled water. 20-oz. cap. Dishwasher safe.