AEROLIGHT FEATHERWEIGHT INSULATION: This this double-wall vacuum insulation is created using a process that allows this waterbottle to be lightweight; without compromising hot or cold retention or product durability. Stanley products are built to support you from morning to evening keeping your tea hot in the morning and keeping water cold in the evening. SUSTAINABILITY AT STANLEY: At Stanley, we believe that through invention and originality, we create a more sustainable, less disposable life and world. Our Built For Life product promise and century-old brand are the foundations for our approach to sustainability and corporate responsibility. Having made big sustainability commitments, Stanley looks to eliminate the need for single-use disposables and increase recycled content materials every year. That’s something everyone can get behind. LOCKING DRINK-THROUGH LID: A lid feature that gives you the confidence to put your bottle in the bag with no chance of your drink spilling. Push the lid up and lock it down so you can sip uninterrupted before locking it closed again. Click with confidence with the locking drink-through lid. DISHWASHER SAFE: This vacuum bottle is designed to clean easily. Throw it into the dishwasher once home, ready to hit tomorrows commute or international adventure. Every piece of this stainless steel vacuum bottle is dishwasher safe. LIFETIME WARRANTY: We are a brand that has kept its promises since 1913. We build products to last a lifetime that you can use in rugged environments, delivering innovation of keeping food and drink at the ideal temperature. We are committed to our word. Backed by our lifetime warranty and our Built for Life guarantee, we ensure our products will endure and sustain in your outside world.