Experience Convenience and Performance In One with This 304 Grade Rust-Proof Stainless Steel Thermos Bottle. Designed with Double-Walled Vacuum Insulation and A Copper-Coated Interior, It Keeps Drinks Hot or Cold for Up To 24 Hours. The Flip-Top Leak-Proof Cap Doubles As A Cup, While The Detachable Jacket and Carry Bag Ensure Portability On The Go. Ideal for Office, Travel, or Outdoor Use, This Bottle Is Odour-Free, Easy To Pour, and Built To Last. Includes A 1-Year Warranty Against Manufacturing Defects. Note: Not Dishwasher Safe. Follow Care Instructions for Longevity.