Wave goodbye to boring water bottles and coffee cups! The Corkcicle Sport Canteen 40oz offers impeccable style and functional hardware youll fall in love with. This trendy canteen is made from a durable, triple-insulated stainless steel that keeps your favorite beverage cold for up to 25 hours and hot for up to 12 hours. That makes this canteen perfect for summer days on the deck or chilly winter days at the campsite with your buddies. Say cheers to your desired temperature and a beverage with personality! Stainless steel. Features a convenient, drink-thru lid. Vacuum-sealed and triple insulated. Has easy to grip sides and a slip-proof silicone bottom. Includes an attached cool clasp for carrying and attaching to gear.