If a flask could make a sound this would go "Grrrrrrr", Stanley have created the Master series for those that want the ultimate performance and derability, this leak-proof and fully packable 532ml Master Vacuum Mug is your new best friend. No matter what you are doing or where you are going this mug will keep hot drinks hot for 12 hours and cold drinks cold for 16 hours. And you can throw it in the dishwasher for hands free cleaning. QuadVac™ insulation keeps drinks hot 12 hours, cold 16 hours or iced 48 hours.
- 1.0mm 18/8 stainless steel – the strongest you’ll find by far. Rust-proof + naturally BPA-free.
- Steel-lined lid – no plastic contact for contents.
- Built for travel – clips to packs, one finger carry, car cup compatible.
- Leak proof.
- dishwasher safe.
- Lifetime Guarantee.