Double Stainless Drink Holder with Mounting suction cups is cast from solid marine-grade 316 stainless. Double drink holders are designed to fit Koozies, cans, mugs and large cups up to 3-3/8” in diameter. The elegant design also features an open frame to accommodate coffee cup handles. The drink holders sit 3” high when installed and are highly polished. The Base is with three mounting suction cups. These three suction cups provide a solid hold with their press-and-lock base.