Insulated Portable Thermos Cup

Upgrade your hydration with our thermos made from 316 medical-grade stainless steel. Superior to 18/8 food-grade steel in anti-oxidation and corrosion resistance, it preserves the true flavor of tea, coffee, or juice, without metallic taste or rust. The 100% leak-proof design features BPA-free silicone lids, and vacuum insulation keeps drinks hot for 12 hours or cold for 24. Perfect for daily use, running, hiking, and camping.