vessel basin smell proof containerAirtight and Odour Proof Engineering The Vessel Basin uses a precision machined lid with a magnetic assist to create a proper waterproof seal. This two piece design is great at trapping all odours inside, so your contents stay fresh while you keep things private. The threads are smooth and easy to turn, giving you quick access to the wide mouth interior whenever you need it. Plus, that magnetic closure adds a really satisfying and secure snap every