Premium 18/8 Stainless Steel Construction – High-grade rustproof material ensures durability and prevents metallic taste transfer.

Advanced Double-Wall Vacuum Insulation – Maintains beverages at optimal temperature for 24 hours (hot) or 48 hours (cold), outperforming industry standards.

Leakproof Swing Lid with Silicone Seal – One-handed operation with 100% spill-proof guarantee, tested under pressure for travel and gym use.

Ergonomic Curved Body Design – Textured grip zone enhances portability for hiking, commuting, or office use.

Mirror-Finish Polish – CNC precision machining creates scratch-resistant surface with premium aesthetic appeal.

BPA-Free Food-Grade Materials – Certified safe for repeated daily use by FDA and LFGB standards.

360° Wide-Mouth Opening – Enables easy ice loading and thorough cleaning, compatible with standard bottle brushes.