Innovative Vacuum Insulation: Our travel mug keeps drinks ice cold for 30 hours or piping hot for 10 hours. Using our DUSGUT TEMP-LOCK Technology, your tumbler maintains inside temperatures for longer hours. Leak Proof Screw on Lid: Food quality silicone o-ring makes sure the sealing tightness & leak proof. Fill up your bottle with your favorite drinks and feel refreshed all day! All parts are TOP-RACK DISHWASHER SAFE. Keep You Cool: No more disposable cups, no more toxic plastics. Dusgut uses only food-grade materials for our insulated water bottles, water bottle accessories, & pitchers. Powder Coated & Durable Finish: Our stylish and durable powder coating gives your bottle extra protection from chipping and scratches. It is very compact and lightweight for women, teens and kids. Healthy life: Protecting the earth is our duty, our bottle will bring you a healthy lifestyle. And any questions you can message us via the ORDER detail page, we will be much appreciated if you like o