By The Pound E-Liquid 100ML Milk - Simple but decadent, this sweet and buttery pound cake is submerged in a ice cold glass of fresh milk. It's a creamy vape experience that will leave your mouth watering. Coco - A dense chocolate and vanilla swirled pound cake soaked in sweet creamy chocolate milk. What's in E-Liquid? What is E-Liquid? E-liquid is the liquid used in e-cigarettes which create vapor. What flavors do they come in? E-liquid comes in a variety of flavors and nicotine levels. Including zero nicotine. What is used to make e-liquid? Eliquid is made of propylene glycol (PG) and vegetable glycerin (VG), food flavoring, water, and nicotine. Is the flavoring safe to use? The Food Grade flavoring used is the same that is used in products such as ketchup, ice cream, and salad dressings. What is PG and VG used for? PG and VG are used to help distribute the flavor and nicotine through out the liquid.