Vacuum Insulated The vacuum insulation technology keeps your drinks hot or cold for 12 hours and the doublewalled stainless steel construction keeps your drinks safe from condensation Leakproof and Splashproof The leakproof lid with a silicone seal prevents any spills or leaks and the wide mouth opening is easy to fill and clean Wide Application The 40 oz capacity is perfect for water iced tea coffee juice milk and other beverages The car cup holder design makes it convenient to carry while driving or traveling Easy to Carry The mug comes with a leakproof lid and a sturdy handle making it easy to carry and use on the go DURABLE AND EASY TO CLEAN Stainless steel construction is durable and rustresistant easy to clean with water