19 oz Insulated Slim Series Bottle. This sleek and slender genderless S6 Bottle 560mL design will fit neatly in your bag or back pocket. From subway to bikeway, the S6 makes for the perfect travel companion. Superior copper lined, vacuum insulation technology will keep your drink icy cold (or steamy hot) all day. Built from 18/8 stainless steel with Enduro coating, you can rest assured this bottle will be around for all your life’s journeys.