Once you39ve used a lock amp lock container there will be no turning back testament to this fact are the rows and rows of them in our staff room fridge we guarantee a 100 airtight watertight seal in just four clicks to test this claim we filled our samples with water locked those chunky locks and no matter what angle we shook them at not a drop was spilt 39seeing is believing39 so we highly recommend you try this test for yourself in their element going out and about filled with packed