Campervan Push button latch - 22mm Diameter
These push button latches are the larger 22mm diameter latches, they are flush when the cupboard is shut. On pushing the button, the centre pops forward giving a handle to hold, whilst the latch unlocks.
To lock the door, simply push it shut and then push the knob in until it clicks.
They are available in a gold or brushed nickel finish.
If you prefer the smaller 19mm latches, see: Mini Push Button Latch - 19mm Diameter