Apart from the black glass and brushed stainless steel finish, it’s the depth of the half bowl that sets the Vantage Sio kitchen sink apart. It’s the same depth as the main bowl, which is a feature you don’t see everyday. The flat bowl sides means that you’ve even more space to make use of. Two black glass chopping boards are included that sit flush on the drainer and over the bowl to increase your worktop space. These can also cover up the sink when all the work is done.