Each Duo pack from Mellow Fellow contains two 510-threaded cartridges, each filled with 2 grams of unique live resin blends and strain-specific formulations—totaling 4 grams per pack. Designed for versatility and potency, this line includes 5 exclusive blend combinations, offering something for every preference. Perfect for heavy hitters and those who want variety in a single purchase. Sold in 6 Duo packs per display case.