20oz Eco-Friendly Double-Wall Vacuum Insulated Mug - Long-Lasting Performance: Keeps beverages hot for up to 8 hours and cold for up to 12 hours. - Eco-Friendly & Reusable: Designed to replace single-use cups, reducing plastic waste and supporting sustainable living. - Premium Materials: Inner wall made of 304 stainless steel, outer wall of durable 201 stainless steel with PFAS-free powder coating. Components include PP, AS, and silicone-all safe and compliant with FDA, BPA-Free, and Prop 65 standards. - Smart Design: Built-in straw lid with secure twist closure prevents leaks. Comfortable carry handle makes it easy to take anywhere. - Versatile Use: Perfect for office workers, students, fitness enthusiasts, drivers, travelers, and outdoor adventurers.