Once you put in your ID, you can choose from any number of products on the touch screen display, from cold pot-infused drinks to edibles and vacuum-sealed containers of marijuana.
The machines won't be in shopping centers or public places, only within pot stores or medical dispensaries.
“You're swiping your ID, we've got a variety of different ways we can check that ID against who's standing in front of the machine. And as we like to say, if there's any doubt, no cannabis comes out," said Stephen Shearin with American Green.
Among those security measures is a camera can scan your face to match it with your ID, and a weight-sensing mat in front of the machine could make sure the ID and the buyer are the same person.
There are only a few of them in Seattle, but the manufacturer could see there being hundreds of them in the years to come.
The machines are also specially reinforced to make break-ins difficult.