Iron Flask Co-Pilot Insulated Mug W/Straw Flip Cap Lids - Cup, Aurora, 40 Oz INSULATED HOT COLD MUG: Whether you crave a hot cup of morning coffee an icy-cold refreshing drink, our mug's double-walled, vacuum-insulated technology will keep your drinks COLD for up to 20 hours, and HOT for up to 5 hours! No more settling for lukewarm sips or diluted flavors! FITS IN YOUR CUP HOLDER: Built to fit any standard cup holder - our mug's sleek, compact design ensures a secure fit to avoid accidental spills! Our rubber bottom provides a non-slip base for protection noise proof - making it your ideal travel companion on busy mornings adventurous journeys. LIGHTWEIGHT DURABLE: Crafted with 18/8 Stainless steel that is BPA free and non-toxic - this mug is built to withstand the rigors of everyday use, ensuring its durability for years to come. Invest in a mug that not only meets but exceeds your expectations. 2 AIRTIGHT, LEAK PROOF LIDS FOR ANY OCCASION: Embrace versatility with not one, but TWO insulated lids! Included is 1 splash-proof straw lid a leak-proof flip lid - perfect for hot or cold drinks! Avoid spills leaks, our lids ensure a secure closure, the ideal travel companion SIMPLE TO CLEAN: Hand-washing is a breeze with our wide mouth tumbler. Its generously sized opening allows for effortless access to every nook and cranny, ensuring you can easily reach all areas for a thorough scrub. No more hard-to-clean residue for a sparkling clean mug every time, with minimal effort. Ideal for those who prioritize hygiene and ease in their daily routines!