Premium 304 stainless steel inner/outer walls with advanced vacuum insulation technology for 24-hour temperature retention

Double-wall construction prevents condensation and ensures comfortable grip with sweat-free exterior

Military-grade durability featuring drop-resistant design and rustproof brushed finish for outdoor adventures

Precision laser welding eliminates seams for superior leakproof performance in backpacks or car cup holders

FDA-approved food-grade materials guarantee safe drinking experience for hot coffee or iced beverages

Ergonomic wide mouth accommodates ice cubes and easy cleaning, ideal for gym/hiking/office daily use

Mirror-polished surface with fingerprint-resistant coating maintains sleek appearance without scratches

100% vacuum-sealed chamber outperforms standard tumblers with 3x longer insulation duration

Ultra-lightweight aerospace-grade alloy reduces weight by 15% compared to conventional stainless bottles