LEAKPROOF: The lid of this Adventure to-go Food Jar gives reassurance that your food will not spill in your bag whilst on the go. SUSTAINABILITY AT STANLEY: We believe in creating a more sustainable world through our Built For Life promise and century-old brand. Stanley looks to eliminate the need for single-use disposables and increase recycled content materials every year. KEEPS HOT FOR 4 HOURS: The Adventure to-go Food Jar is built to withstand anything. This stainless steel Stanley cup preserves the thermal integrity of your food for up to 4 hours. It's designed for easy cleaning and is dishwasher safe. DISHWASHER SAFE: This food flask 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 food container 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.