Prevent the transfer of heat or cold with the Huryfox Insulated Travel Mug, keeping your drinks hotter longer! Huryfox Double Wall Vacuum Sealed Insulated Mug Made of 304-grade stainless steel, our vacuum-sealed insulated mug is free of heavy metal contamination and corrosive metal tastes. Huryfox Insulated Travel Mug keeps warm for 3 hours or 6 hours. Screw cap with silicone seal prevents water leakage. The splash-resistant flip-top is designed for easy drinking, and the small opening can be opened and closed with just one hand. The comfortable handle is convenient for drinking on the go, and the perfect companion for your commuting, camping, or office life The 12 oz mini travel coffee mug only weighs 0.67 lbs, enjoy a good coffee life anytime, anywhere!