Rosin Sauce Vape Pen Refill Carts   1ml filled cartridge:500 mg triple distillated THC / 375 mg  Solventless oil/ 125mg organic terpenes & essential oils.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.