One-Way Valve Freshness Lock Technology, 98% Freshness & Extended Preservation: Food-grade airtight silicone + moisture-proof one-way valve. Automatically releases residual CO2 from coffee beans while blocking external O2, N2, and moisture ingress, delaying oxidation. Precise Portioning, 25g Golden Extraction Standard: Each bottle is pre-filled with 25g of coffee beans, perfectly sized for single pour-over or espresso servings. Eliminates weighing and waste. Refined Details, Elevating the Coffee Ritual: 3D anti-slip engraved aluminum alloy cap enhances seal integrity by 50% and offers superior ergonomic handling. Safety Certified Materials: PCTG (baby bottle grade) + Grade 201 stainless steel + food-grade silicone. Zero risk of plasticizer leaching. Exclusive Storage Stand: Dedicated 10-slot steel and wood stand with angled design for 3-second bottle access, solving countertop clutter. All-Scenario Freshness Solution: Coffee Freedom From Kitchen to Camping: Includes a 60mm custom funnel, increasing bean filling speed by 50% for zero-spill operation.