Key features Innovative & patented design - Original Airscape airtight container features the patented plunger lid with a two-way valve that pushes out, and keeps out, excess air and humidity to preserve and protect the freshness and flavour for your dry stored goods. Sound of fresh - Airscape lid removes all air in the coffee container creating airless food storage; airtight coffee container extends the life of coffee, tea, flour, sugar, cereal, biscuits, seeds, herbs, nuts, pet food or any perishable goods. The coffee canister “swoosh” sound lets you know it’s working Free shipping included. 30-day hassle-free returns.