The Alta 20 oz Eco-Friendly Vacuum Insulated Straw Mug is designed for convenient, everyday hydration. Made with a 304 stainless steel inner wall and durable 201 stainless steel outer wall, it features double-wall vacuum insulation to keep drinks hot up to 8 hours and cold up to 12 hours. The flip-top straw lid allows easy sipping on the go, while the Non-PFAS based powder-coated finish adds durability and grip. A condensation-resistant exterior and cup holder-compatible design make it ideal for commuting, travel, and daily use.