18 Hours Hot. 24 Hours Cold. Zero Leaks.
Four Brothers Hot and Cold Bullet Flask is built with double wall 304 stainless steel to keep drinks hot for 18 hours and cold for 24 hours. The tough, leakproof body has a sweat free exterior, so it stays dry and comfortable to carry in a bag or car. Rust resistant and BPA free, it is built to go anywhere, from your desk to the gym to a weekend trek. Available in 350ml, 500ml, 750ml and 1000ml sizes.
Highlights
- Double wall 304 stainless steel body that keeps drinks hot for 18 hours and cold for 24 hours
- Leakproof design with a secure, tight seal for worry free carrying
- Sweat free exterior stays dry to the touch, even with cold drinks inside
- Tough, rust resistant steel body built for daily use and travel
- BPA free and food grade for safe, everyday hydration
- Available in 350ml, 500ml, 750ml and 1000ml to match your daily needs
Daily commutes, travel, gym and outdoor use, wherever you need reliable hot or cold hydration on the go.
