Presenting the LOCK & LOCK INTERLOCK DOOR POCKET PRESS BOTTLE 2.1LTR—a revolutionary solution for fermenting and storing food! A novel breathing valve built into the design of this 2.1-liter bottle facilitates easy food fermentation, guaranteeing optimal freshness and taste retention. The press-plate prolongs shelf life by preventing oxidation, and the clear body, which resembles glass, making it simple to always watch the contents. A real lifesaver in any kitchen, the creative water bottle-shaped cover also makes it easy to pour sauce without any mess or spills! With this adaptable and powerful press bottle, you can wave goodbye to the problems associated with traditional storage and enjoy the utmost convenience.