Rocky Mountain?s Rosin Vape Pen Cartridge. Each cartridge includes a .5ml filled cartridge, 300 mg of distillate, 125 mg of rosin made from dried sift and 75 mg of organic terpenes with essential oils. NOTICE: These vape pens do NOT contain Vitamin E Acetate. Rocky Mountain Rosin is a B.C. Extracts company specializing in High Quality Rosin. All their products are extracted from top shelf cannabis, preserving the flavour and smell, down to the last drop. ?