Oxidation kills coffee
Lock the aroma and flavor in every bean before they are servedby taking out the oxygen, humidity, and sunlight (UV ray) these 3 degrade the enemy at once.Guarantee you are hit by the fresh smell whenever you open the turn-n-seal, the last brew is as fresh as the first.88% of people feel the change after using Turn-n-seal to store their coffee beans for over a week. Keeps your coffee fresh up to 5x longer than a regular bag.