Astro Quads vape pen cartridges are designed with premium standard materials such as steel and pyrex glass to prevent the vape pen cartridge from breaking. The hurdle-less and easy design of Astro Quads cartridges enables effortless and serene smoking which is made unique by these distillate cartridges. Each of these 510 thread cartridges is made to deliver a refined and purified natural product, which is NOT contaminated by any preservatives such as VG, PG, PEG and MCT. This is done to ensure that you get the premium quality that you deserve. Choose from the following strains: Tropicana Cookies (Sativa) Blue Dream (Sativa) Twisted Citrus (Hybrid) King Louis XIII (Indica) Blueberry Zkittles (Indica) A vape cart is a glass cartridge pre-filled with a gram of cannabis oil. This oil contains various combinations of cannabinoids and terpenes extracted from cannabis. Vape cartridges work in conjunction with vape pen batteries. The vape battery will power an atomizer in the cartridge that heats up the oil, activating the various chemical components in it. You then inhale the vape smoke, which produces the effects of cannabis. Some vape batteries have multiple functions that enable temperature customization and dose management. Vape cartridges take the guesswork completely out of the equation. Contrary to other methods of consuming oil, such as a dab rig and nail setup, carts require little to no effort—just press a button and inhale. A 510-thread cartridge is the most common type of vape cartridge. 510 describes the type of threading that is used to screw the bottom of the cartridge to the appropriate vape battery. Effects Cerebral, Creative, Euphoria, Relaxing May Relieve ADD/ADHD, Anxiety, Chronic Pain, Insomnia, Loss of Appetite, Migraines, Stress *Does not come with a 510 thread battery.