Portable Coffee Thermos Mug with Lock

FEATURES: Keep Hot or Cold for 6 Hours: This insulated mug for maximum temperature retention, keeps hot and cold water, coffee, tea, beer, beverage, and drinks in the best drinking state for up to 6 hours. No finger burns due to the vacuum cup. Safe Material: Double wall insulation coffee tumbler, The interior is made of food-grade 304 stainless steel and adopts one-piece molding technology, The lid is BPA-free with an airtight silicone seal. Human-Friendly Design: Anti-fingerprint matte surface with a good grip feeling. The air vent design allows beverages to flow out smoothly without gushing or overflowing. The rubber cushion on the bottom avoids sliding and protects furniture from scratches. Simple Elegant Design: Spill proof coffee travel mug with a screw-in cup lid is equipped with an airtight silicone sealing ring, which provides a good leak-proof. The flip lid opens and locks easily, You can open the flip lid with your thumb in one second.