W20BCXLS Hydro Flask 20 Ounce Wide Flex Sip Lid - Lake Superior Engraved Designed with hot drinks in mind, the 20 oz. Wide Mouth bottle with Flex Sip Lid is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold. This listing is ONLY for specially-engraved bottles, which feature a silhouette of Lake Superior.