Premium 304 Stainless Steel Construction with double-wall vacuum insulation for 12-hour temperature retention.

Advanced copper plating between walls enhances thermal efficiency, keeping beverages hot or cold longer than standard flasks.

Laser-sealed base and threaded lid ensure leakproof performance, ideal for hiking, office commutes, or gym sessions.

Sleek brushed finish resists fingerprints and scratches, maintaining a polished look even with daily use.

500ml compact design fits car cup holders and backpack pockets while offering optimal capacity for all-day hydration.

BPA-free materials and rust-resistant interior guarantee safe drinking for both acidic and alkaline beverages.

One-handed push-button lid opens smoothly for quick sips, reinforced with a silicone gasket to prevent spills.

Compatible with most cup sleeves and dishwasher-safe for effortless cleaning—no specialized maintenance required.