Perfect Temperature & Year-Round: Enjoy hot drinks for up to 4 hours at a delicious “summer hot” temperature, and keep cold beverages icy for just as long with our double-walled, vacuum-insulated 13 oz coffee tumbler. Stay hydrated and enjoy your favorites anytime, anywhere Comfortable & Durable Design: To go coffee mug with lid for hot drinks is designed for a comfortable grip and features a scratch and sweat-resistant matte powder coating. Its durable build resists dents and drops, and the 18/8 stainless steel base eliminates the need for a coaster. The secure rubber lid prevents leaks, and the wide mouth allows easy cleaning and addition of ice or fruit Ideal For Travel & More: The GEMFUL travel coffee mug leak proof fits perfectly in most car cup holders, making it your ideal companion for commutes, road trips, office work, and outdoor adventures. Enjoy your favorite coffee, tea, or other beverages wherever you go. It’s also a great gift for family and friends for various occasions Safe & BPA Free: Crafted from high-quality 304(18/8) food-grade stainless steel, insulated coffee mug is rust-proof, durable, BPA-free, and leakproof. Reduce your environmental footprint with this long-lasting, recyclable mug. We are also happy to provide support for any issues you may have Helpful Usage Tips: To ensure longevity, we recommend hand washing only, and avoiding microwave. When filling with hot liquids, we suggest releasing the pressure from the lid vent for 5 minutes before or after closing the lid, to ensure optimal heat retention