- Made of food grade 18/8 stainless steel that doesn’t impart or retain flavor
- Vacuum Insulated with double-wall design keeps your drink hot or cold
- Lid doubles as a mug ensuring you always have a cup handy
- Silicon sleeve protects your fingers in wet or cold conditions
- Tapered design for easier handling also slides into car cup holders or a backpack side pockets
- Universal thread fits most water purifiers and filters