The Sunburn Cartridge (1000 mg) contains a ratio of 2:1 THC to CBN, representing approximately 700 mg of THC and 300 mg of CBN. The Sunburn Vape cartridge is available by inhalation route. The average dose for this product is 5 mg, 2 times per day. Based on the average dose, a 30 day supply is $29.00, a 50 day supply is $49.00, and a 70 day supply is $68.00. These prices are based only on average doses and may not be applicable to all patients. Please consult a certified physician to find out the dose that works best for your condition. Dosing: One 3-second inhale delivers approximately 5 mg of cannabinoids. One 1000 mg cartridge contains approximately 130 doses.