Varavo processes their cannabis oil using a proprietary blend of marijuana flowers in-house, sourced from cultivators they know an trust. With CO2 extraction technology, they guarantee their cartridges will provide an enjoyable vape experience, every time. Jack Herer consistently pleases with a clear-headed high that boosts a surge of energy throughout the body, perfect for relieving stress. Each disposable pen contains 300mg - 0.3grams.