1. Freely adjust preservation time by set the date wheel on the lid, remind you of the time instead of artificial memory. More convenient and reliable.
2. Unique one-way valve design in the middle of the lid, allows Co2 to be emitted while preventing outside air from entering, help to maintain freshness of your coffee beans.
3. Excellent sealing property, effectively prevent outside oxygen and moisture from entering, extend the freshness date of your coffee beans in a dry, oxygen - free environment.
4. High quality stainless steel material, tough and smooth.