Premium 500ml stainless steel vacuum insulation flask with advanced double-wall technology for 24-hour temperature retention

Flip-top lid design ensures one-handed operation and 100% leakproof performance for active lifestyles

Mirror-polished 304 stainless steel interior resists odors and stains while meeting FDA food-grade standards

Precision laser-welded vacuum seal prevents condensation and maintains ideal liquid temperature

Ergonomic curved body with non-slip grip pattern for comfortable carrying during commutes or outdoor adventures

Professional-grade gift packaging included, perfect for corporate clients, promotional events or employee rewards

Industrial-grade durability withstands daily use in offices, construction sites, and travel environments

Oversized mouth accommodates ice cubes and easy cleaning, compatible with most car cup holders

BPA-free materials and rustproof construction meet international safety standards for repeated daily use