Burn. Mega-Sized 2g Premium Vape Pens contain only three simple ingredients: High-grade solvent-less Delta-9 THC distillate, MCT oil and organic plant-based terpenes. Burn is a homegrown extract company providing us with products sourced from the best flower from the best growers in BC. If you’re looking for a convenient escape, Burns Disposable Weed Vaporizer is just the thing you need. Having been in the industry for 25 years, you can be sure that you’re getting the best smoking experience. It sources the best and most natural terpenes while keeping all the cannabinoids.