KEEPS DRINKS HOT FOR 4 HOURS: This leakproof coffee mug keeps drinks hot for 4 hours and cold for 6. Its lightweight double-wall vacuum insulation ensures durability without sacrificing temperature retention, perfect for hot tea or cold water. SUSTAINABLE TRAVEL CUP: At Stanley, we create a more sustainable world through invention and originality. Committed to eliminating single-use disposables, we aim to increase recycled materials yearly, making sustainability accessible for everyone. SPILL PROOF DRINK-THROUGH LID: This lid lets you carry your coffee cup travel mug in your bag without spills. Push the lid up to sip and lock it down for secure closure. Enjoy your drink with confidence using the locking drink-through lid. DISHWASHER SAFE: This vacuum bottle is designed to clean easily. Throw your Stanley cup into the dishwasher once home, ready to hit tomorrows commute or international adventure. Every piece of this stainless steel vacuum bottle is dishwasher safe. BUILT FOR LIFE: 'Built for Life' has been the Stanley promise since 1913, manufacturing rugged, high-performance products that last a lifetime.