Great for rapid relief, and as an easy, on-the-go option, Mary’s patented gel pens are one of the fastest-acting, most accurately dosed cannabis products available. Available in THC, CBD, and CBN, these gel pens can be used on their own, or paired with other Mary’s products to create custom cannabinoid ratios specific to your needs! The gel pens take between 5 to 15 minutes to onset and last 2 to 6 hours.