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Blubb is a food storage box with more functions than normal ones but without extra parts or more expanditure in manufacturi ng. The lid has a big handle, which is easy to grip. Box and lid have bubbels on their surface accumulated to on side. This bubbles show the function to the user depending how the lid is closed. If the airbubbels of box and lid are oriented towards each other, the box is ventilated through small blowholes inside the side wall for cheese or vegetable. If the lid is closed the other way the bubbels disgress from each other and covered by the lids big handle. This indicates that Blubb now is sealed airtight.
Prof. Wolfgang Schabbach
Dinse, Franziska Großklaus, Felix