The Metropolis Tank by Atom Vapes is available in Silver and Gold options! Specs that apply towards the gold apply the same towards the silver option other than plated materials. The Metropolis Tank by Atom Vapes is Plated in Silver or 24ct Gold and Features a Bottom Fill design, Pyrex Glass Chassis, and a Gold Plated GClapton Coil for an intensely flavorful vaping experiance! Constructed of a Full Pyrex Glass Chassis for E-Liquid Visibility, E-Liquid Capacity, and Durability. GClapton Coils made by Atom Vapes are flavor filling coils which provide a smooth puff every time! Enjoy the Metropolis Tank by Atom Vapes!