Yes, our Travel Tumbler is 100% leakproof, so you don’t have to worry while you are on the go.
To guarantee leakproofness make sure that your lid (Tumbler Coffee Lid, Tumbler Food Lid and Tumbler Sport Lid) is properly closed; screw it until the orange silicone seal disappears.
Avoid shaking Travel Tumbler, especially when using it with boiling-hot beverages, as it may cause excessive pressure.
Keep away from kids when using Travel Tumbler with boiling-hot beverages.
Not intended for use with carbonated water.