Premium 18/8 Stainless Steel Construction – Superior rust-proof & odor-resistant inner walls with double-layer vacuum insulation for 24-hour temperature retention

Multi-Functional 3-Lid System – Includes leak-proof flip lid, wide-mouth straw lid, and threaded coffee sip lid for versatile use as thermos, tumbler, or travel mug

Swiss-Engineered Copper Plating – Enhanced heat preservation technology maintains beverages at ideal temperatures (12h hot/24h cold)

Elegant Gift-Ready Packaging – Matte finish exterior with anti-slip silicone base and premium gift box, ideal for corporate gifts or housewarming presents

Commercial-Grade Durability – CNC-cut threads and laser-welded seams withstand daily office use, outdoor adventures, or café service