IS TRAVEL TUMBLER INSULATED? 21 May 2021 13:39 Updated Follow Yes, our Travel Tumbler is insulated, keeps drinks hot for up to 6 hours and ice-cold for up to 24. Related articles IS TRAVEL TUMBLER LEAKPROOF? WHAT YOU SHOULD BE AWARE OF WHEN USING 24BOTTLES’ PRODUCTS. WHY 18/8 STAINLESS STEEL? HOW DO I USE MY COUPON CODE? HOW DO YOU ENSURE THE QUALITY AND SAFETY OF YOUR PRODUCTS?