If you had to guess which police departments really understood stoners, you’d figure Portland would rank high on your list. Today, they did not betray your belief in them. In anticipation of recreational marijuana use becoming legal in Oregon starting on July 1, the Portland PD wanted to give its citizens some parameters on how much they could legally possess, come that fateful day. They knew they needed to speak to their intended audience in ways that audience would understand. So they created a visual guide that compared the amount of weed you can have to the size of a donut.

But, it’s Portland, so they didn’t just grab any old donut, they used the city’s famed and absolutely delicious Voodoo Donut. According to this little graphic, if you have about enough pot to equal one Voodoo Donut, then you’re totally cool traipsing around the city with that (just don’t smoke it in public, that’s still a no-no). If you have enough to fill a box that would fit a little more than a half-dozen donuts, that’s only ok if you keep it at the crib. And if you have a pound of herb with you, then you’re on the wrong side of the law—but if you’re toting around that much weed in broad daylight, you probably don’t give any fucks anyway, do you?

(h/t Eater PDX)

Jeremy Repanich is a Senior Editor at Playboy. Follow him on Twitter @racefortheprize.

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