The Bialetti DCDESIGN07 Smart Jar is designed to brew coffee efficiently while preserving freshness and minimizing waste. Made with a glass jar for optimal aroma retention, a silicone gasket for an airtight seal, and a stainless steel spoon for precise dosing, it holds 8.82 oz of coffee. Ideal for Bialetti coffee makers, any leftover coffee automatically returns to the jar, ensuring convenience and no waste.