Premium 18/8 stainless steel construction ensures durability and rust resistance for long-term use

Double-walled vacuum insulation maintains hot/cold temperatures for 24 hours with 800ml optimal capacity

Leak-proof flip-top lid with silicone straw features built-in filter for clean drinking anywhere

Precision laser engraving accepts custom logos for corporate gifts or promotional merchandise

Ergonomic curved design fits cup holders and backpack pockets for travel, gym, or office use

FDA-approved food-grade materials guarantee safe drinking without plastic taste or BPA concerns

Brushed finish resists fingerprints while mirror polish interior prevents flavor retention