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A slang term for an ounce of cannabis flower, equal to 28 grams. In recreational states, a zip is usually the most an adult without a medical card can purchase in a day. Due to varying densities and sizes of individual cannabis strains and buds, a zip of one strain may look bigger or smaller than another strain.

What do you mean I can only buy a zip a day from recreational shops in California?!”

“This zip I got from my friend is gas!”

Where does the term ‘zip’ come from?

Before medical marijuana legalization passed in California and other states, many medical dispensaries operated on a flexible, deli-style model for purchasing flower, rather than selling pre-weighed, pre-packaged amounts. 

The dispensary would often package a patient’s purchase in a Ziploc or generic resealable bag—a standard Ziploc bag can hold an ounce of cannabis, hence “zip.” Beyond legal dispensary sales, a zip is a way to refer to a sale or inventory without arousing suspicion from the authorities.

Zip conversions

  • 1 zip = 1 oz = 28 grams
  • 1 zip = 8 eighths (3.5 grams each)
  • 1 zip = 4 quarters (7 grams each)
  • 1 pound (also called a “pizzle”) = 16 oz = 16 zips