♥【PREMIUM QUALITY STAINLESS STEEL】High-quality 304 stainless steel design ensures a healthy drinking experience. All the plastic parts of the thermal mug are food-grade materials. ♥【HEAT AND COLD PRESERVATION】The double-walled vacuum design ensures beverages can stay either hot for up to 6 hours and cold drinks remain cold and fresh for up to 12 hours. ♥【PERFECT TRAVEL COFFEE MUG, PERFECT GIFT】Perfect cup size thermos with silicone non-slip sleeves and leak-proof lip design, you could hold it cozily or put it on your backpack or car cup holder. An ideal gift for coffee lovers, you can get it for yourself and for your loved ones, it is a perfect reusable travel mug. ♥【SAFETY MEASURES】Make sure to close espresso cup lid tightly when carrying; do not put it near to heat producer, when opening the lid, please check if the silica gel falls, if it does, it must be reinstalled to avoid leakage. ♥【WORRY-FREE GUARANTEE】The stainless steel tumbler uses a scientific manufacturing process and strict quality control system in the production process. If you are not satisfied with this cup, feel free to contact us you will get a hassle-free full refund.