Maintain consistent beverage temperatures throughout the day with this 500 ml hydration vessel featuring double-wall vacuum insulation. The interior is crafted from food-grade SUS 304 stainless steel, which reliably preserves cold drinks during warm weather and holds hot liquids at serving temperatures in cooler conditions. An exterior layer of matte powder coating provides scratch resistance and corrosion protection while delivering a clean, modern aesthetic. 
A reliable leak-prevention system is built into the closure, utilizing a threaded stainless steel screw lid paired with a flexible silicone sealing ring. A reinforced metal loop handle integrates directly into the lid mechanism, allowing users to hand-carry the flask or quickly attach it to cycling gear and backpack frames. Stability on uneven ground is ensured by a flat circular metal base plate, and the precisely machined bottle neck guarantees a tight fit every time the cap is secured. Buyers seeking an eco-friendly alternative can swap the standard cap for an included bamboo lid variant. 
Designed For Active Lifestyles
- Gym & Fitness Centers: The portable volume easily slides into standard duffel bags, while the vacuum-sealed walls eliminate external condensation and keep fluids icy cold during high-intensity sessions.
- Trail Running & Hiking: Impact-resistant steel layers absorb trail abuse, and the integrated loop strap enables convenient hook-and-carry mobility over long distances.
- Daily Commuting & Office Use: Toss the flask into work satchels with confidence; the watertight seal protects electronics and documents from moisture, while the powder-coated shell resists scuffs from daily handling.
- Weekend Travel & Camping: Weighing significantly less than glass alternatives yet matching their durability, this thermal mug transitions seamlessly from airplane cabins to mountain campsites.
Technical Specifications
Capacity: 500 ml / Inner Material: SUS 304 potable-grade stainless steel / Exterior Coating: Scratch-resistant matte powder / Top Mechanism: Threaded screw lid with silicone O-ring / Transport Feature: Fixed metal loop handle / Foot Construction: Reinforced circular base plate