The perfect companion to Stagg Pour-Over Dripper. Brew multiple cups for friends, or make a large batch of coffee for one. Use the ratio aid alongside Stagg Dripper’s ratio aid for the perfect coffee-to-water ratio. The Details: Double wall glass allows for longer heat retention and no exterior condensation. Hand blown borosilicate glass – the Arnold Schwarzenegger of glass. Ratio Aid – Never guess how much water to add. The first dot means you’ve hit one serving, the second dot means you’ve hit two servings. The ratio aid dots correlate to Stagg Dripper’s ratio aid for the perfect coffee-to-water ratio. Silicone lid included to keep your coffee hot longer. Carafe comfortably holds 20 oz/.6 L at the double dots.