Premium double-wall stainless steel construction ensures 12-hour heat retention and 24-hour cold insulation.

Advanced vacuum seal technology eliminates condensation, keeping surfaces dry and hands comfortable.

Ergonomic non-slip silicone base provides stability during intense workouts or outdoor activities.

Laser-engraved刻度线 (measurement markings) for precise hydration tracking in fitness routines.

Military-grade drop resistance withstands rugged use in gyms, hiking trails, or construction sites.

Hygienic wide-mouth design accommodates ice cubes and facilitates thorough cleaning.

Mirror-polished finish resists fingerprints and maintains sleek aesthetics in professional settings.

FDA-approved 18/8 stainless steel guarantees BPA-free, odor-free liquid storage for health-conscious users.

360-degree leakproof lid with reinforced hinge survives backpack tumbles during commutes or travel.

Compatible with most car cup holders and gym equipment bottle cages for universal functionality.